1 piece (medium) of Butter Croissant (60 g) has 244 calories. That works out to 406 calories per 100 g. It contains 27.3 g of carbs, 4.5 g of protein, 13 g of fat and 1.3 g of fiber. Its 0.1 mg of B1 covers 10% of the Daily Value. Its glycemic index is 70 (high), so it raises blood sugar quickly.

What is Butter Croissant?

A Butter Croissant is a French-style pastry made by folding butter into dough in thin layers, then baking it until puffed and golden. Its outside is crisp and flaky, while the airy centre pulls apart in delicate layers.

It is commonly eaten at breakfast in France, often plain alongside coffee, or with jam. Elsewhere, it is also a familiar bakery choice with tea or coffee, and can be split and filled with sweet or savoury ingredients. With plenty of flour and butter, it is energy-dense rather than especially rich in protein or fibre. Pair one with fruit or yoghurt for a more rounded breakfast, or enjoy it as a small treat with a drink.

Butter Croissant Nutrition Facts

Selected: 100 g

406

KCAL / 100G

Carbs

45.5g

· 17% DV

Protein

7.5g

· 15% DV

Fat

21.6g

· 28% DV

Fiber

2.1g

· 8% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 45% · Protein 7% · Fat 48%

Butter Croissant Vitamins & Minerals

Vitamins

0.22mg · 17% DV

0.19mg · 16% DV

2.1mg · 13% DV

Vitamin A

110µg · 12% DV

Minerals

Sodium

370mg · 16% DV

Selenium

7µg · 13% DV

Phosphorus

70mg · 10% DV

Zinc

1mg · 9% DV

How Nutritious Is Butter Croissant?

Nutrient density

Low

25/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Low

22/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

Butter Croissant Glycemic Index

GLYCEMIC INDEX

High

0 Low5570100

GLYCEMIC LOAD

High

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Butter Croissant

To burn the 406 calories in 100 g:

🚶

100min

Walking (5 km/h)

🏃

41min

Running (8 km/h)

🚴

55min

Cycling

🏊

47min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

Is Butter Croissant Processed?

NOVA 3

Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does Butter Croissant Contain Allergens?

Contains these allergens:

Gluten yes

Dairy yes

Eggs yes

Peanuts free

Tree nuts free

Fish free

Soy free

Sesame free

Which Diets Is Butter Croissant Good For?

Vegan

— Not suitable

Vegetarian

✓ Suitable

Gluten-Free

— Not suitable

Dairy-Free

— Not suitable

Mediterranean

— Not suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Butter Croissant Fat Profile

SATURATED

13.2g

MONOUNSATURATED

5.8g

POLYUNSATURATED

1.3g

⚖️

Omega 6:3 ratio 13.8:1

Above the ideal 4:1 (13.8:1).

Compare Butter Croissant

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Foods Similar to Butter Croissant

🧴

Hawthorn Vinegar

18 kcal

🌯

Tantuni

210 kcal

🌯

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195 kcal

🍫

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350 kcal

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Frequently Asked Questions About Butter Croissant

What is a butter croissant made of?

A butter croissant is made from yeasted dough layered with butter. Bakers roll and fold the dough repeatedly, shape it into crescents, let it rise, and bake it until the outside is crisp and golden.

Why does a butter croissant have so many flaky layers?

A butter croissant gets its layers from folding butter into the dough repeatedly. In the oven, water in the butter turns to steam and separates the thin sheets of dough, creating a crisp shell and airy interior.

How do you reheat a butter croissant?

Reheat a butter croissant in a preheated oven for a short time, until warm and crisp. A microwave is quicker but tends to soften the flaky layers, so the oven is the better choice when texture matters.

Can you freeze a butter croissant?

Yes, a butter croissant freezes well. Let it cool completely, seal it in a freezer-safe bag, and thaw it before warming in the oven. This helps preserve its texture better than leaving it at room temperature for an extended period.

How should you store a butter croissant?

Store a butter croissant at room temperature in a paper bag or covered container and eat it while fresh. Refrigeration can make its pastry stale faster; freeze it instead if you need to keep it for longer.

Where did the butter croissant originate?

The butter croissant is closely associated with France, where bakers developed the flaky, yeasted pastry. Its predecessor is often linked to Austria’s crescent-shaped kipferl, which was adapted into the croissant familiar today.

What is the difference between a butter croissant and a crescent roll?

A butter croissant is made with laminated, yeasted dough, which gives it distinct flaky layers and an airy interior. Crescent rolls are usually softer, breadier, and made with dough that is not laminated in the same way.

What do you serve with a butter croissant?

A butter croissant pairs well with coffee or tea and can be served with jam, cheese, or eggs. For a filled sandwich, slice it just before serving and add ingredients such as ham, cheese, or fresh vegetables.

Can you make a butter croissant at home?

Yes, you can make a butter croissant at home, but proper lamination takes time. Keep the dough and butter cool, and allow the dough to rest between folds; warm butter can melt into the dough instead of forming layers.

How can you use a stale butter croissant?

A stale butter croissant can be refreshed briefly in the oven or repurposed in dishes such as bread pudding or French toast. Do not eat it if it has visible mold or an unpleasant smell.

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 24, 2026