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Loading...A timeless French dessert, silky-smooth chocolate mousse proves that the simplest ingredients can create the most luxurious results. Made from dark chocolate, butter, eggs, and a touch of sugar, this elegant classic relies on whipped egg whites for its signature airy yet velvety texture. Serve in delicate glasses for an effortless dinner-party finale.
Prep Time20 mins
Cook Time10 mins
Total Time30 mins
Servings4
Yield4 servings
Nutrition Facts
Per serving (estimated)
- 485 kcalCalories
- 32 gFat
- 14 gSaturated Fat
- 28 gCarbs
- 3 gFiber
- 19 gSugar
- 8 gProtein
- 75 mgSodium
- 320 mgPotassium
- 60 mgCalcium
- 4 mgIron
- 0.5 mgVitamin C
- 80 mcgVitamin A
Ingredients
For the Chocolate Base
- 200 g dark chocolate (70% cacao), finely chopped
- 30 g unsalted butter, cubed
- 4 large egg yolks
- 1 tsp pure vanilla extract
- 1 tsp instant espresso powder
- Pinch of fine sea salt
For the Whipped Aeration
- 4 large egg whites, at room temperature
- 25 g (2 tbsp) granulated sugar
- 1/8 tsp cream of tartar
- 80 ml heavy whipping cream, cold (optional, for extra stability)
Directions
- Melt the chocolate and butter together in a heatproof bowl set over a pan of barely simmering water, stirring until silky smooth. Remove from the heat and stir in the vanilla, espresso powder, and salt.
- Let the chocolate cool for 5 minutes, then whisk in the egg yolks one at a time until the mixture is glossy and fully incorporated.
- In a separate clean, dry bowl, beat the egg whites with the cream of tartar on medium speed until soft peaks form. Gradually sprinkle in the sugar and continue whipping until medium-stiff, glossy peaks.
- If using the cream, whip it in a third bowl to soft peaks and set aside in the refrigerator.
- Lighten the chocolate base by folding in one-third of the beaten whites with a rubber spatula, then gently fold in the remaining whites in two additions using a cutting and turning motion to preserve the air. Finally, fold in the whipped cream if using.
- Divide the mousse among four to six ramekins, wine glasses, or small bowls, smoothing the tops. Tap gently on the counter to release any trapped air bubbles.
- Cover each dish with plastic wrap and refrigerate for at least 4 hours, or ideally overnight, until the mousse is firm and intensely flavored.
- Just before serving, garnish with chocolate shavings, a small dollop of whipped cream, a few fresh raspberries, or a pinch of flaky sea salt to taste.
Cook’s Notes
- Use high-quality dark chocolate with around 70% cacao for the deepest flavor; avoid chocolate chips, which contain stabilizers that can dull the texture.
- Wipe the egg-white bowl and whisk with a little vinegar or lemon juice and dry thoroughly—any trace of fat will prevent the whites from whipping properly.
- Fold very gently with a wide rubber spatula to preserve the air you have whipped in; the mousse's signature lightness comes from keeping that volume intact.
- Chill overnight whenever possible—the flavor deepens and the texture becomes silky rather than foamy.
- This recipe uses raw eggs; if serving pregnant guests, young children, or immunocompromised individuals, use pasteurized eggs or choose a cooked chocolate-butter custard variant instead.
