1 piece (medium) of Eclair (70 g) has 217 calories. That works out to 310 calories per 100 g. It contains 26.6 g of carbs, 3.6 g of protein, 10.5 g of fat and 0.8 g of fiber. Its 0.1 mg of B2 covers 8% of the Daily Value. Its glycemic index is 65 (high), so it raises blood sugar quickly.

What is Eclair?

An eclair is a French pastry made from choux dough, baked into an airy, elongated shell and usually filled with cream and finished with chocolate icing. Its outside is lightly crisp while the inside stays soft; the creamy centre and smooth topping make each bite rich and sweet. Fillings and toppings vary, though the classic combination is vanilla-style pastry cream and chocolate.

In France, eclairs are a familiar pâtisserie treat, enjoyed with coffee or as an afternoon sweet; elsewhere, they’re often found in bakery cases and served as dessert. They provide a substantial mix of carbohydrates and fat, so a smaller piece can be a satisfying treat alongside coffee or tea. For a lighter finish, share one or choose a fruit-based dessert instead.

Eclair Nutrition Facts

Selected: 100 g

310

KCAL / 100G

Carbs

38g

· 14% DV

Protein

5.2g

· 10% DV

Fat

15g

· 19% DV

Fiber

1.2g

· 4% DV

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

Calories come from: Carbs 49% · Protein 7% · Fat 44%

Eclair Vitamins & Minerals

Vitamins

Biotin

3.5µg · 12% DV

0.14mg · 11% DV

B12

0.25µg · 10% DV

Vitamin A

85µg · 9% DV

Minerals

Selenium

6µg · 11% DV

Phosphorus

70mg · 10% DV

Calcium

65mg · 7% DV

Iron

1mg · 6% DV

How Nutritious Is Eclair?

Nutrient density

Low

18/ 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

23/ 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.

Eclair 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 Eclair

To burn the 310 calories in 100 g:

🚶

77min

Walking (5 km/h)

🏃

32min

Running (8 km/h)

🚴

42min

Cycling

🏊

36min

Swimming

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

Is Eclair 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 Eclair 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 Eclair 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

Eclair Fat Profile

SATURATED

7.2g

MONOUNSATURATED

4.8g

POLYUNSATURATED

1.1g

⚖️

Omega 6:3 ratio 13.3:1

Above the ideal 4:1 (13.3:1).

Compare Eclair

🍰vs🍬

Eclair vs Rose Turkish delight20 kcal fewer per 100 g

→🍰vs🍯

Eclair vs Caramel sauce10 kcal fewer per 100 g

→🍰vs🍫

Eclair vs Dark chocolate230 kcal fewer per 100 g

→🍰vs🍮

Eclair vs Höşmerim10 kcal fewer per 100 g

→

Foods Similar to Eclair

🍬

Rose Turkish delight

330 kcal

🍯

Caramel sauce

320 kcal

🍫

Dark chocolate

540 kcal

🍮

Höşmerim

320 kcal

🍫

Chocolate sauce

210 kcal

🍬

Fruit Leather

320 kcal

🍬

Pistachio Turkish Delight

370 kcal

🍮

Kazandibi

145 kcal

Frequently Asked Questions About Eclair

What is an eclair?

An eclair is an oblong French pastry made from choux dough, filled with cream and usually topped with icing. Its shell is baked hollow, then filled after cooling, which gives it a crisp-to-soft contrast.

Why is an eclair called an eclair?

The name eclair comes from the French word for “flash” or “lightning.” The pastry is often said to have earned the name because it is eaten quickly, though the exact explanation is not certain.

What filling is traditionally used in an eclair?

Pastry cream is the traditional eclair filling, commonly flavored with vanilla or chocolate. Bakeries also use coffee cream, whipped cream, or other flavored custards, but the filling should be thick enough to stay inside the choux shell.

How do you make choux pastry for eclairs?

Choux pastry for eclairs starts with water or milk, butter, and flour cooked together, then beaten with eggs. Pipe it into long strips and bake until well risen and dry; opening the oven too early can make the shells collapse.

Why do eclairs crack while baking?

Eclairs can crack when the oven is too hot or the piped dough has an uneven surface, causing the shell to expand irregularly. Pipe smooth, even strips and bake at a steady temperature so the pastry rises more evenly.

Can you fill eclairs ahead of time?

Yes, eclairs can be filled ahead, but the shells soften as they absorb moisture from the cream. For the best texture, fill them close to serving time; keep filled eclairs covered in the refrigerator in the meantime.

Can you freeze eclairs?

Yes, eclairs can be frozen, although the shell and chocolate topping may become softer or less glossy after thawing. Freeze them in a sealed container and thaw in the refrigerator; avoid refreezing once they have thawed.

How should eclairs be stored?

Filled eclairs should be kept covered in the refrigerator because their cream filling is perishable. Unfilled choux shells are best stored separately in an airtight container and briefly crisped in the oven before filling.

How can you tell if an eclair has gone stale?

A stale eclair usually has a soft, damp shell instead of a lightly crisp one, and the cream may smell or taste sour if it has spoiled. Discard it if the filling seems off or it has been left unrefrigerated for too long.

What is the difference between an eclair and a cream puff?

An eclair is piped as a long pastry and commonly finished with icing, while a cream puff is round and often dusted with powdered sugar. Both are made from choux pastry and can contain pastry cream.

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 24, 2026