Blended Diet Recipes for Bedridden Parents: Ingredients, Blending and Straining, Safe Storage, and Homemade vs Ready-Made Formula

A good blended diet recipe for a bedridden parent does not start with an ingredient list from the internet. It starts with the doctor's diet order and a recipe the hospital dietitian has calculated specifically for your parent. In this article, a blended diet means food from all five food groups, cooked and then blended together until completely smooth, for giving through a feeding tube. It is not the same as blended or mashed food eaten by mouth by someone who struggles to chew or swallow; that needs a swallowing assessment first (see section 8). What the family controls, and what matters as much as the recipe itself, is weighing ingredients accurately, cooking them thoroughly, blending until smooth, and keeping the food in a fridge at 5°C or below for no more than 24 hours.

Many families hit the same problems in the first week home from hospital: the food is so thick it will not flow down the tube, someone gets up at 5 a.m. every day to cook and blend until they are exhausted, stored food starts to smell sour, or a relative suggests adding vegetables and fruit "for vitamins" even though Dad has kidney disease. This article brings together the principles hospital nutrition departments use, from ingredient groups, blending and straining, storage and warming, and why tubes block, to a fair comparison of homemade blends and ready-made formula. The correct steps for giving a tube feed are covered in detail in our guide to tube feeding at home.

Quick answer

• A blended diet is food from all five food groups, cooked and blended together. A "1:1" recipe means 1 millilitre of food provides 1 kilocalorie. The concentration, the amount, and which tubes can take it are decided by the doctor and dietitian.
• Ask the hospital nutrition department for a recipe written in grams before discharge. Weigh ingredients on a scale every time rather than estimating, and check whether the weights are for raw or cooked food.
• Cook egg and meat thoroughly, blend until smooth, and strain when needed, as the dietitian advises.
• Store in the main compartment of a fridge at 5°C or below for no more than 24 hours after blending. The total time the food spends out of the fridge should be no more than 2 hours, and no more than 1 hour in very hot weather.
• With kidney disease, diabetes or a fluid restriction, never change the recipe yourself, especially adding vegetables or fruit in advanced kidney disease.
• Ready-made medical formula is convenient and comes in disease-specific versions; homemade blends can be adjusted and use natural ingredients. Either works if it suits your parent and the family can prepare it consistently.

1. What a blended diet is, and what "1:1" means

A blenderized diet is food containing all five food groups, cooked and then blended into a smooth, uniform mixture. It is used for people whose digestive system still works but who cannot eat enough by mouth, or cannot chew or swallow, so the doctor has placed a feeding tube.

Numbers on the diet order such as "1:1" or "1.5:1" describe energy concentration: 1 millilitre (1 cc) of food provides 1 or 1.5 kilocalories. For example, the nutrition department of a Bangkok teaching hospital produces blended diets at 1:1 and, for some conditions, at higher concentrations. More concentrated recipes are also thicker.

The reason not to calculate a recipe yourself from body weight alone is that the energy, protein and fluid your parent needs also depend on their illness, medicines, pressure sores, kidney function and any swelling. That is why the doctor writes a diet order and the dietitian turns it into a recipe and ingredient amounts. If you do not have one yet, ask the hospital before discharge, or request an appointment with the dietitian.

Which feeding tubes can take a homemade blend

A homemade blend is not suitable for every feeding tube. It depends on the type of tube, its size and where its tip sits (in the stomach or in the small intestine), and narrow tubes block more easily. Before you start making blends yourself or switch from ready-made formula, always check first with the team that placed the tube and with the dietitian.

2. Blended diet recipes for bedridden patients: ingredient groups hospitals use

Hospital blended diet recipes use easy-to-find ingredients from all five food groups; the gram amounts must come from your parent's own recipe. This article does not list grams, because a recipe calculated for one person may provide the wrong energy or minerals for another.

Examples of ingredient groups found in recipes from Thai public hospitals and medical schools:

Protein

• Eggs, white fish and chicken breast are good-quality, easily digested proteins. Some kidney recipes use egg white instead of whole egg.
• Avoid fatty cuts, cartilage, tendons and connective tissue. They are tough, do not blend finely, and are a common cause of blocked tubes.
• Recipes usually assume a particular egg size. Ask the dietitian which size to use, because egg size changes the protein content.

Rice, starches and energy sources

• Steamed rice, bread, pumpkin, banana and root vegetables provide energy but thicken the food, so the dietitian limits each one.
• Sugar, fructose (in some diabetes recipes) or maltodextrin are not there for sweetness; they are easily digested energy sources that also keep the mixture from getting too thick.

Vegetables and fruit

• Pumpkin, Chinese cabbage, cabbage and banana are common in general recipes.
• In some stages of kidney disease, vegetables and fruit are restricted because of their potassium. Do not add them yourself (see section 6).

Fat

• Vegetable oil such as rice bran oil or soybean oil, in the amount stated in the recipe, is an important energy source.

Salt and special ingredients

• Salt is added according to the recipe; the amount changes with conditions such as high blood pressure, heart disease or kidney disease.
• Some recipes include medical-grade whey protein or maltodextrin, usually available from hospital nutrition departments or larger pharmacies. The dietitian calculates the amount.

What many families do not realise is that the same ingredients in different proportions make a completely different recipe. Stick to the personalised recipe the hospital or dietitian has prepared for your parent, not one from a chat group.

3. How to make a blended diet step by step: smooth, clog-free and clean

The principle is: weigh accurately, cook thoroughly until soft, blend until smooth, strain when needed, then portion and chill quickly. Homemade blends are more easily contaminated than ready-made formula, so the cleanliness of the cook and kitchen matters as much as the recipe.

1. Wash hands and prepare the area. Wash with soap, wipe the counter, chopping board and blender clean, and use separate boards for raw and cooked food.
2. Weigh and measure to the recipe. Use a digital kitchen scale, check it is accurate, and never estimate by eye.
3. Cook thoroughly until soft. Cut meat into small pieces before cooking. Steaming preserves nutrients better than boiling, and eggs steamed over hot water come out softer than boiled eggs. But all eggs and meat must be cooked right through: both the white and the yolk must be set, never soft-boiled or runny, because your parent picks up gut infections easily.
4. Blend. Blend all the recipe ingredients together until smooth and uniform. Use boiled water or clean drinking water as the team taught you, in the amount the recipe states. If it is too thick, do not add extra water yourself and dilute the recipe; ask the dietitian.
5. Strain when needed. Pour through a fine sieve as the dietitian advises. It is usually needed when the blender is not very powerful, the tube is narrow, or there are seeds or fibres. Residue you strain off means fewer nutrients than you weighed, so if there is a lot left over regularly, take the recipe back to be adjusted.
6. Check smoothness and flow. No bits or lumps, and it flows through your equipment as the team showed you.
7. Portion and chill quickly. Pour into small or shallow clean containers with lids, one per meal, so the food cools quickly. Let the steam escape briefly, then close the lid and refrigerate. Do not leave it out of the fridge for long.

Choosing a blender, based on advice from a dietitian in a Thai clinical nutrition journal:

• A more powerful motor usually blends more smoothly, but the wattage figure is only a guide and does not tell you whether it is enough. Judge by whether the food actually comes out smooth and flows through the tube.
• Flat blades suit soft ingredients.
• A heat-resistant glass jar can be washed and scalded with hot water and scratches less than plastic.
• Parts that come apart for thorough cleaning, and a jar size that suits the amount you make each day.

4. How to store and warm a blended diet so it does not spoil

A blended diet can be kept in the main compartment of a fridge at 5°C or below for no more than 24 hours after blending, and the total time it spends out of the fridge should be no more than 2 hours. The 24-hour and 2-hour limits come from a dietitian citing Thai clinical nutrition practice recommendations; the 5°C limit is Thailand's Department of Health standard for cooked food. Blended food spoils easily and can cause diarrhoea.

How to count time out of the fridge

• Add up every period the food is not in the fridge: from the end of blending, while it cools, while it warms, until the feed is finished. The clock does not restart when you begin the feed.
• On days hotter than about 32°C (90°F), cut this to no more than 1 hour, following the US Food and Drug Administration's food safety rule.
• Throw away anything past its time; do not put it back in the fridge.

Storing

• Keep it in the main compartment of a fridge at 5°C or below. Keep a fridge thermometer to check, because the cooling dial does not tell you the actual temperature. Store it away from the fridge light.
• Not in the door, where the temperature fluctuates.
• Use tightly lidded containers, kept apart from raw meat and fresh vegetables; if they must share space, put the raw food in separate lidded boxes.
• Make only what will be used within one day. Throw away anything past its time, even if it looks and smells fine.
• Freezing: follow the advice of the hospital or dietitian who wrote the recipe (see the frequently asked questions).

Warming

• Take out only the amount for that meal and stand the container in warm water for a while. In a cup, you can stir with a clean spoon. In a feeding bag, close the bag tightly and turn or gently knead it from the outside; never open the bag to stir it with a spoon.
• Warm it to about room temperature (around 25–30°C), or test a drop on the back of your hand: not cold, not hot.
• Do not stand the container in boiling or very hot water, and avoid heating directly on the stove or in a microwave. The food heats unevenly, and the ingredients, especially egg, cook further so it thickens and struggles to flow down the tube.

5. Why feeding tubes block, and how to prevent it

Most blockages come from food that is too thick, not finely blended, or not strained when it should have been. Prevention starts in the kitchen, before the food reaches the tube.

Common causes:

• Adding more of the thickening ingredients than the recipe says, such as rice, pumpkin, banana or bread.
• Using cuts of meat with tendon or connective tissue that do not blend finely.
• Not straining when the tube is narrow or the blender is not very powerful, or using blended food in a tube the team has not confirmed is suitable.
• Warming the food too hot so it thickens.
• Crushing medicines into the blended food. Some medicines cannot be crushed or clump in the tube; ask a pharmacist whether each medicine can go down the tube and how to give it separately from food.
• Not flushing the tube with clean water as the team taught you after feeds and medicines (for the amount of water and how to flush, see tube feeding at home).

If the tube is already blocked, never push wire, sticks or anything sharp into it, and do not force it. Stop feeding and call a nurse.

Can continue caring at home · watch closely

• One or two slightly loose stools after a recipe change, while your parent is still getting fluids through the tube as prescribed, has no fever and is not drowsy: review hygiene and storage times.
• Mild constipation: note the number of days without a bowel movement and tell the dietitian or doctor at the next appointment.

Call a nurse for advice today

• The tube is blocked and still will not flow after flushing with warm water as you were taught.
• Several episodes of diarrhoea in one day, or a very bloated tummy.
• Vomiting, or the tube has moved from its usual position.

Go to hospital or call 1669 immediately

• Choking, non-stop coughing, laboured breathing or blue lips during or after a feed.
• Very drowsy and hard to wake, or high fever with fast breathing. For more on fever and phlegm warning signs, see bedridden parent with fever, heavy phlegm or drowsiness.

6. Blended diets for kidney disease, diabetes and other conditions: why not to change the recipe yourself

People with kidney disease, diabetes, heart disease or a fluid restriction need a recipe calculated specifically by the doctor and dietitian, and the family should not change it. A clear example: a Thai teaching hospital's nutrition department makes separate blended diet recipes for kidney disease, and for kidney disease with diabetes, with sodium, potassium and phosphorus calculated for each recipe.

• Kidney disease, especially advanced disease or on dialysis: never add leafy greens, fruit or fruit juice yourself. They can push blood potassium dangerously high, and fluid may need to be limited too.
• Diabetes: the recipe must match medicines or insulin and feeding times. If you change times, skip a feed or change recipe, tell the doctor, because blood sugar may go too low or too high. For insulin care and low blood sugar, see diabetes and insulin care for older adults at home.
• Fluid restriction, for example with heart failure or swelling: recipes become more concentrated and thicker, so blend especially smoothly and ask the dietitian whether to strain.
• Pressure sores or weight loss: protein and energy needs may change. Ask the doctor or dietitian to reassess rather than adding egg or meat yourself.

A recipe is not fixed for good. Record your parent's weight as the team advises, their bowel movements, and how much they actually receive, and bring this to the dietitian to review the recipe at each appointment. If weight keeps falling, swelling increases, or abnormal bowel movements do not settle, ask for an earlier review.

7. Homemade or ready-made: a fair comparison

No single option suits everyone. The right choice fits your parent's condition and feeding tube, and is something the family can prepare cleanly and consistently every day. Thailand's Department of Medical Services explains that both types are beneficial but have different strengths.

Homemade blended diet

• Strengths: energy and nutrients can be adjusted to the doctor's order; uses natural ingredients; standard recipes usually cost less than medical formula.
• Limitations: time-consuming and fiddly to prepare; contamination risk depends on the cook's hygiene; some vitamins and minerals are lost during cooking; nutrient content varies with each batch of ingredients; very thick when fluid is restricted; and not usable with some tube types or sizes.

Ready-made medical formula (powder or ready-to-use liquid)

• Strengths: convenient, consistent composition, and many versions for different conditions such as diabetes or kidney disease.
• Limitations: ongoing cost; the formula should be chosen with a doctor or dietitian; once mixed or opened, store and use it according to the product label.

Ready-made blended diet from hospital nutrition departments

• Some hospitals produce blended diets for patients going home, in general and disease-specific recipes, which saves the daily work. Ask the hospital you buy from how to store it and how long it keeps.

Many families mix approaches, for example blending at home on days someone is around and using ready-made formula on days no one can cook. If you switch between them, first ask the dietitian whether your parent's tube can take blended food, and how much of one replaces the other to give similar energy.

8. Blended food by mouth for older adults who struggle to chew or swallow

Blended food eaten by mouth is texture-modified food, not the same as tube-feed blends, and if swallowing is difficult, a doctor or speech and language therapist should assess swallowing first. The safe texture differs from person to person: some need soft food, others need thickened drinks.

• If the problem is chewing but swallowing is normal, mashed, soft or suitably thick blended food helps, and your parent can still eat at the family table.
• Coughing or choking while eating, food left in the mouth, or repeated chest infections are signs that swallowing should be assessed by a doctor.
• Sit upright while eating, feed slowly in small spoonfuls, and do not feed when your parent is sleepy or drowsy.
• For older adults receiving palliative care, the goal around food may shift towards comfort, and it helps to discuss this with the doctor and family in advance; see Living Will and advance directives in Thailand.

Common mistakes families make

• Using recipes from the internet or chat groups. Energy or minerals may not match what your parent needs. Ask the hospital's nutrition department for a recipe in grams.
• Estimating amounts by eye. One day thick, the next thin, and energy varies. Buy a digital kitchen scale.
• Making a batch for several days. Blended food older than 24 hours risks diarrhoea. Make it day by day.
• Adding water so it flows more easily. This quietly lowers the energy in each feed. If it is too thick, ask the dietitian about adjusting the recipe.
• Adding vegetables and fruit out of kindness for a parent with kidney disease. High potassium can be dangerous. Ask before any change.

When to bring in professional help

If everyone in the house works full time, someone is getting up every morning to prepare food until they are worn out, or you are not confident about tube feeding and hygiene, having help during this period makes every feed more consistent. The recipe itself still belongs to the doctor and dietitian at your parent's hospital.

• Caregivers (nursing assistants) at home. Tube feeding is part of the daily care our caregivers do, along with feeding by mouth, giving medicines as prescribed, turning and checking vital signs. Preparing blended food to the hospital recipe can be agreed with our staff when you book. A 12-hour shift is 1,800 baht a day (minimum 3 days), 12,000 baht a week, or 30,000 baht a month. See elderly home care.
• A registered nurse to change a nasogastric feeding tube at home: 1,600 baht per visit (silicone tube 1,900 baht), or a 3-change package for 4,500 baht (normally 4,800 baht), available to buy until 31 December 2026. See home nursing.
• Registered nurse home visit 1,800 baht per visit (single procedures from 1,200 baht), useful when you want a nurse to watch how you give feeds, check the tube position and teach the family in person.

Frequently asked questions

What does a 1:1 blended diet mean?

It means the blended food has an energy concentration of 1 kilocalorie per 1 millilitre (1 cc). A 1.5:1 recipe gives 1.5 kilocalories per millilitre and is thicker. The right concentration for your parent is set by the doctor and dietitian.

How long can a blended diet be kept in the fridge?

No more than 24 hours after blending, in the main compartment of a fridge at 5°C or below (check with a fridge thermometer), in a lidded container. The total time out of the fridge, counted from blending through warming to the end of the feed, should be no more than 2 hours, and no more than 1 hour in very hot weather. The safest approach is to make it day by day.

Can I freeze blended food to keep it for several days?

In some cases, depending on the advice of the hospital or dietitian who wrote the recipe; some advise using only the main compartment of the fridge. If you are told freezing is fine, portion it into meals and freeze it straight after blending, then thaw it in the fridge, never at room temperature. The UK NHS guide states it can be kept below -18°C for 1–3 months.

Can any feeding tube take a homemade blend?

No, not every tube. It depends on the tube's type, size and where its tip sits, for example in the stomach or in the small intestine, and narrow tubes block more easily. Check with the doctor or the team that placed the tube and with the dietitian before starting, and do not switch from ready-made formula to homemade blends on your own.

Can I make a blended diet at home for a parent with kidney disease?

Yes, but only with a recipe the dietitian has calculated specifically, because sodium, potassium, phosphorus and sometimes fluid must be controlled. Do not adapt a general recipe or add vegetables or fruit yourself.

Which is better, a blended diet or medical formula?

No single option suits everyone. Blended food can be adjusted and uses natural ingredients but is harder to make and carries a contamination risk; medical formula is convenient and consistent but has an ongoing cost. Choose based on your parent's condition, their type of tube and what the family can manage.

How many cc per tube feed?

There is no single number for everyone. The amount per feed and the number of feeds a day come from the doctor's and dietitian's diet order. Do not increase it yourself even if your parent seems hungry; if you think it is not enough, take a record of weight and bowel movements to the next appointment.

Talk to the KIN HomeCare team

If your family is worn out from preparing food and tube feeding every day, or unsure whether you are doing it right, call and tell us about it. If you have the recipe and diet order from the hospital, send a photo on LINE and the team will help work out what kind of help would suit you.

• Call 061-881-9399 (+66 61 881 9399) (caregivers, registered nurses, equipment rental)
• LINE @KINHOMECARE
• Estimate caregiver or nurse costs yourself with our service request form (Thai only)
• Free consultation; caregivers and nurses at home nationwide; travel costs depend on the area and staff will tell you before the booking is confirmed

This information is general guidance for families and does not replace advice from your parent's doctor and dietitian.

Written by Orrathai Boontuang, RN (licence 5311192883) · Medically reviewed by Dr. Kamolchat Choktanomsup (licence 40854) · Prices as of October 2026; please confirm with our staff before booking.