Opéra cake, per 100 g serving

Opéra cake

approximate
Opéra cakeMacros · per 100 g
Macrosper 100 g
Calories410 kcal
Protein5.5 g
Fat24.0 g
Carbs44.0 g

Opéra cake is a classic French layered dessert made from almond sponge (joconde), coffee buttercream, and chocolate ganache, typically served in neat rectangular slices. It is a staple of French pâtisserie and is usually enjoyed as a dessert or afternoon treat rather than a component in other dishes. Per 100 g, opéra cake provides 410 kcal, 5.5 g of protein, 24 g of fat, and 44 g of carbohydrates, of which 34 g are sugars, with just 1 g of dietary fibre. It contributes 140 mg of potassium, 55 mg of calcium, and a notable 150 mcg of vitamin A per 100 g, largely from the butter and eggs in the buttercream and ganache layers. No glycemic index data is available for this product. Suitable for vegetarian dietary patterns.

How many calories in opéra cake?

Opéra cake contains 410 kcal per 100 g. A typical restaurant slice weighs around 80–100 g, putting a single serving at roughly 330–410 kcal.

How much fat is in opéra cake?

Opéra cake contains 24 g of fat per 100 g, reflecting the generous amounts of butter used in the buttercream and chocolate ganache layers. This makes it a relatively high-fat dessert compared to simpler sponge cakes.

Is opéra cake vegetarian-friendly?

Yes, opéra cake is suitable for vegetarians, as its ingredients — eggs, butter, chocolate, and almonds — contain no meat or fish. It is not suitable for vegans due to the dairy and egg content.

Diets

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Macros · per 100 g

Macros
MacrosAmount
Calories410 kcal
Protein5.5 g
Fat24.0 g
Carbs44.0 g
Sugars34.0 g
Fiber1.0 g
Fats breakdown
Fats breakdownAmount
Saturated13.0 g
Monounsaturated8.0 g
Polyunsaturated1.5 g
Cholesterol130 mg
Minerals
MineralsAmount
Calcium55.0 mg
Iron1.5 mg
Potassium140 mg
Sodium95.0 mg
Vitamins
VitaminsAmount
Vitamin A150 mcg
Vitamin C0 mg
Vitamin B120.30 mcg