Boone’s analysis puts Pret A Manger All Butter Croissant at 15% of an adult’s daily calories, 23% of the daily salt limit for a child aged 4 to 6 and 1.1 teaspoons of free sugar.
How many calories are in Pret A Manger All Butter Croissant? It contains 291 kcal, 17g of fat (12g saturated), 4.5g of sugar and 0.7g of salt.
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Nutrition information
Nutrition information: Pret A Manger All Butter Croissant
| Energy | 291 kcal |
| Fat | 17g |
| of which saturates | 12g |
| Carbohydrate | 28g |
| of which sugars | 4.5g |
| Fibre | 1.6g |
| Protein | 6.5g |
| Salt | 0.7g |
Nutrition figures are Pret UK published data per serving as sold, taken from Pret UK's published product pages (pret.co.uk, October 2026). Boone converts the figures to the portion and age comparisons on this page.
Pret A Manger All Butter Croissant contains 291 kcal, which is 15% of the 2,000 kcal adult daily reference intake. It provides 17g of total fat, of which 12g is saturated, 4.5g of sugar, 0.7g of salt, 6.5g of protein and 1.6g of fibre.
The saturated fat content of 12g represents 57% of the adult daily guideline of 20g.
Pret publishes figures both per serving and per 100g, which puts the portion at about 71g and 409 kcal per 100g.
Pret describes it as: Our croissants have all the flavour and lightness of a classic French croissant. That's because they're made with butter and freshly baked in every Pret.
Sugar in Pret A Manger All Butter Croissant
Pret A Manger All Butter Croissant contains 4.5g of free sugar per serving (1.1 teaspoons). Low sugar
The NHS free sugar limit is 30g per day for adults, 24g for children aged 7 to 10, and 19g for children aged 4 to 6. Free sugar excludes the sugars naturally present in milk and whole fruit.
Free sugar by portion: Pret A Manger All Butter Croissant
| Portion | Adult (female) 30g | Adult (male) 30g | Age 11 to 17 30g | Age 7 to 10 24g | Age 4 to 6 19g |
|---|
| Per portion | 4.5g 15% | 4.5g 15% | 4.5g 15% | 4.5g 19% | 4.5g 24% |
| Teaspoons | 1.1 tsp |
Boone calculates these percentages from Pret UK's published product pages (pret.co.uk, October 2026) against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach, so a high percentage there is a good thing. For guidance only.
Salt in Pret A Manger All Butter Croissant
Pret A Manger All Butter Croissant contains 0.7g of salt per serving. Moderate salt
Children have lower salt limits: 3g per day for ages 4 to 6, 5g for ages 7 to 10.
Salt by portion: Pret A Manger All Butter Croissant
| Portion | Adult (female) 6g | Adult (male) 6g | Age 11 to 17 6g | Age 7 to 10 5g | Age 4 to 6 3g |
|---|
| Per portion | 0.7g 11% | 0.7g 11% | 0.7g 11% | 0.7g 14% | 0.7g 23% |
Boone calculates these percentages from Pret UK's published product pages (pret.co.uk, October 2026) against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach, so a high percentage there is a good thing. For guidance only.
Calories in Pret A Manger All Butter Croissant
Pret A Manger All Butter Croissant contains 291 kcal per serving. Moderate calorie share
Daily calorie needs vary by age and sex.
Calories by portion: Pret A Manger All Butter Croissant
| Portion | Adult (female) 2000 kcal | Adult (male) 2500 kcal | Age 11 to 17 1936 kcal | Age 7 to 10 1553 kcal | Age 4 to 6 1291 kcal |
|---|
| Per portion | 291 kcal 15% | 291 kcal 12% | 291 kcal 15% | 291 kcal 19% | 291 kcal 23% |
Boone calculates these percentages from Pret UK's published product pages (pret.co.uk, October 2026) against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach, so a high percentage there is a good thing. For guidance only.
Saturated fat in Pret A Manger All Butter Croissant
Pret A Manger All Butter Croissant contains 12g of saturated fat per serving. High saturated fat
The saturated fat guideline is 20g a day for women and 30g for men, and lower again for children.
Saturated fat by portion: Pret A Manger All Butter Croissant
| Portion | Adult (female) 20g | Adult (male) 30g | Age 11 to 17 20g | Age 7 to 10 18g | Age 4 to 6 16g |
|---|
| Per portion | 12g 57% | 12g 38% | 12g 57% | 12g 64% | 12g 72% |
Boone calculates these percentages from Pret UK's published product pages (pret.co.uk, October 2026) against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach, so a high percentage there is a good thing. For guidance only.
Fibre in Pret A Manger All Butter Croissant
Pret A Manger All Butter Croissant contains 1.6g of fibre per serving. Low fibre
Fibre is the one figure here that is a target to reach rather than a limit to stay under. UK guidance is 30g a day for adults, 25g for ages 11 to 17, 20g for ages 7 to 10 and 15g for ages 4 to 6.
Fibre by portion: Pret A Manger All Butter Croissant
| Portion | Adult (female) 30g | Adult (male) 30g | Age 11 to 17 25g | Age 7 to 10 20g | Age 4 to 6 15g |
|---|
| Per portion | 1.6g 5% | 1.6g 5% | 1.6g 6% | 1.6g 8% | 1.6g 11% |
Boone calculates these percentages from Pret UK's published product pages (pret.co.uk, October 2026) against UK Dietary Reference Values and NHS free sugar and salt limits. Free sugar, salt, calories and saturated fat are limits to stay under; fibre is a target to reach, so a high percentage there is a good thing. For guidance only.
Ultra-processed food: what is really in it
Processing and additives: Pret A Manger All Butter Croissant
Reading the ingredient list, Pret A Manger All Butter Croissant contains none of the additives Boone treats as markers of ultra-processing.
Boone classifies Pret A Manger All Butter Croissant as NOVA group 3, processed, based on Pret’s published ingredient list. NOVA groups foods by how far they are from their whole-food form, not by how nutritious they are. A group 4 food is not automatically unhealthy, and a group 1 food is not automatically healthy.
Pret A Manger All Butter Croissant contains at least 9 distinct ingredients: 9 raw and 0 manufactured. Raw means something you could buy and cook with at home; manufactured means a substance that only exists as an output of industrial processing.
Ingredient count: Pret A Manger All Butter Croissant
The 0 manufactured ingredients
None.
The 9 raw ingredients
wheat flour, butter, water, sugar, yeast, wheat gluten, salt, free-range egg, flour treatment agent.
Boone counts every distinct ingredient named in Pret’s published list, including those inside components such as bread or sauces, and removes duplicates, so salt appearing in several components counts once. Where an additive class is followed by a named substance, the substance is counted. Every figure here is a minimum.
Allergens at a glance
Pret A Manger All Butter Croissant contains cereals containing gluten, eggs and milk. Pret lists it as suitable for vegetarians.
Allergen information: Pret A Manger All Butter Croissant
| Allergen | Status |
|---|
| Cereals containing gluten | Contains |
| Crustaceans | Not declared |
| Eggs | Contains |
| Fish | Not declared |
| Peanuts | Not declared |
| Soya | Not declared |
| Milk | Contains |
| Tree nuts | Not declared |
| Celery | Not declared |
| Mustard | Not declared |
| Sesame | Not declared |
| Sulphites | Not declared |
| Lupin | Not declared |
| Molluscs | Not declared |
Contains = declared by Pret on the product page. Not declared = not listed as an ingredient allergen; Pret prepares food in shops where all 14 allergens are handled, so it cannot guarantee any item is free from them. Source: Pret UK product pages and allergen guide (8 September 2026).