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Food fortification in cystic fibrosis

What is food fortification?

Food fortification is when you add more energy from calories and protein to foods. This can help you to gain weight without having to eat lots more. This information shows you ways to fortify foods and drinks.

High calorie foods to try


What can I add it to?

  • On: toast, crumpet
  • In: fajitas, mashed potato
  • Make: guacamole, avocado chocolate mousse

Calories :½ avocado 153kcal, 1g protein, 16g fat

Butter, oil or margarine

What can I add them to?

  • On: toast, crumpets, vegetables
  • In: hummus, sauces, curries, mashed potato, pasta
  • Make: butter sauce

Calories: 1 teaspoon 37kcal, 0g protein, 4g fat

Snack ideas


  • Cheese or cream cheese and crackers
  • Breadsticks with hummus, dips or cream cheese
  • Crisps or tortilla chips and dips
  • Peanut butter sandwich
  • Cocktail sausages
  • Onion bhajis
  • Sausage roll, spring roll or mini pork pie


  • Mousse, full-fat yoghurts, full-fat fromage frais or Greek yoghurt and honey
  • Ice cream with chocolate sauce or syrup
  • Choc ice
  • Banana and custard
  • Toasted teacake with jam and butter
  • Crumpets with butter and syrup
  • Slice of cake, muffin, cupcake or cream cake
  • Malt loaf with butter
  • Banana and chocolate spread
  • Cookie and a cup of milk
  • Small chocolate bar
  • Rice pudding
  • Angel Delight made with full-fat milk and cream
  • Chocolate spread on toast
  • Lemon curd on toast
  • Fruit and evaporated milk


What can I add it to?

  • On: jacket potato, pasta, crackers, toast
  • In: mashed potato, white sauce, sandwiches, fajitas, soup
  • Dip: grate cheese into mayonnaise
  • Make: melt onto nachos, cauliflower cheese

Calories: matchbox size 208kcal, 13g protein, 17g fat



  • Single
  • Double
  • Whipping
  • Squirty
  • Soured
  • Clotted

What can I add it to?

  • On: hot chocolate, milkshakes, fruit, desserts, scones
  • In: porridge, rice pudding, custard, soup, sauces, mashed potato
  • Dip: soured cream dip with nachos
  • Make: macaroni cheese with cream, creamy pasta sauce

Single Cream 1 tablespoon 29kcal, 1g protein, 3g fat

Double Cream 1 tablespoon 74kcal, 0g protein, 8g fat

Clotted Cream 1 tablespoon 88kcal, 0g protein,19g fat

Soured Cream 1 tablespoon 31kc al, 0g protein, 12g fat



  • Plain
  • Roasted red pepper
  • Caramelised onion
  • Sweet chilli

What can I add it to?

  • On: jacket potato, toast, crumpet
  • In: pitta bread, mashed potato
  • Dip: breadsticks
  • Make: pitta filled with humous, halloumi and falafel. Mix with guacamole

Top tip: add extra oil

Calories: 56kcal and 2g protein, 4g fat per 2 tablespoons

Nut butter


  • Peanut butter
  • Cashew butter
  • Almond butter
  • Smooth and crunchy varieties are available

What can I add them to?

  • On: toast, crackers, banana
  • In: a smoothie
  • Dip: breadsticks, celery sticks or apple
  • Make: satay sauce using 3 tbsp crunchy peanut butter, 1 tbsp sweet chilli sauce, 2 tsp dark sauce and 2 tsp lime juice. Spread on chicken or use as a dip.

Calories: 100kcal, 4g protein, 8g fat per tablespoon

Skimmed milk powder

What can I add it to?

  • Porridge
  • Custard
  • Milk
  • Hot chocolate
  • Milkshake

Calories: 10kcal, 1g protein per teaspoon

Example of a fortified meal plan

Normal Meal Plan Fortified Meal Plan
Breakfast: cereal and skimmed milk Cereal and full-fat milk
Mid-morning: an apple An apple, peanut butter and milkshake
Lunch: sandwich with ham and butter Sandwich with ham, cheese and lots of butter
A packet of crisps Crisps dipped in hummus
Squeezy yoghurt Squeezy yoghurt
Mid-afternoon: small chocolate bar Cheese and butter on toast
Evening meal: fish fingers, beans and mashed potato Fried fish fingers, beans, mashed potato with butter, cream and cheese added
Supper: Ice cream Ice cream, peanut butter and honey

The above changes would give an additional 1500 calories and 45g protein per day.

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Please note: this is a generic information sheet relating to care at Sheffield Children’s NHS FT. These details may not reflect treatment at other hospitals. This information is not intended as a substitute for professional medical care. Always follow your healthcare professionals’ instructions. If this resource relates to medicines, please read it alongside the medicine manufacturer’s patient information leaflet. If this information has been translated into another language from English, efforts have been made to maintain accuracy, but there may still be some translation errors. If you are unsure about any of the guidance in this resource or have specific questions about how it relates to your child, always ask your healthcare professional for further advice.

Resource number: DT12

Resource Type: Article

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