How to Make Classic Chocolate Mousse

Chocolate mousse in glass cups with shaved chocolate

Chocolate mousse gets its texture from folding air, in the form of whipped cream or whipped egg whites, into melted chocolate without deflating either one. The step that trips people up is temperature. Chocolate that is still warm melts whipped cream on contact, collapsing the air pockets and turning the mousse dense and greasy instead of light. Chocolate that has cooled too far seizes into hard flecks the moment cold cream touches it.

The fix is matching temperatures deliberately: melted chocolate cooled to just above body temperature folds smoothly into softly whipped cream that has not gone stiff, giving you an airy structure that still holds its shape when spooned.

Classic Chocolate Mousse

Serves 4. Prep 20 minutes, chill 2 hours.

Ingredients

  • 6 ounces bittersweet chocolate, chopped
  • 2 tablespoons unsalted butter
  • 3 large eggs, separated
  • 3 tablespoons granulated sugar, divided
  • 1 cup heavy cream, cold
  • 1/2 teaspoon vanilla extract
  • Pinch of salt

Method

  1. Melt the chocolate and butter together over a double boiler or in short microwave bursts, stirring until smooth. Let cool to just warm, not hot, to the touch.
  2. Whisk the egg yolks with half the sugar until pale, then whisk into the cooled chocolate along with the vanilla.
  3. Whip the egg whites with the salt to soft peaks, then add the remaining sugar and whip to stiff, glossy peaks.
  4. Separately, whip the cold cream to soft peaks, just past soft, do not take it to stiff.
  5. Fold a third of the whipped egg whites into the chocolate mixture to lighten it, then fold in the rest gently.
  6. Fold in the whipped cream in two additions, folding just until no streaks remain.
  7. Divide among four glasses or ramekins and chill at least 2 hours, until set but still soft.
Spoon lifting a bite of chocolate mousse

Nutrition (per serving, estimated)

Estimated for one of four servings, not lab verified.

Calories Protein Carbohydrate Fat Fiber Sodium
420 7 g 24 g 33 g 2 g 85 mg

Tips and Variations

  • Use good chocolate: since chocolate is the entire flavor base here, a bar you'd eat on its own makes a noticeably better mousse than chips.
  • Espresso boost: a teaspoon of instant espresso dissolved into the warm chocolate deepens the flavor without tasting like coffee.
  • Orange variation: a half teaspoon of orange zest folded in with the vanilla pairs classically with dark chocolate.
  • Raw egg note: this recipe uses raw eggs in the traditional method, use pasteurized eggs if serving anyone who avoids raw egg.

Frequently Asked Questions

Why did my mousse turn grainy or seize?

The chocolate was likely too hot or too cold when the other ingredients were added. Cool it to just warm to the touch before folding anything in.

Why is my mousse dense instead of airy?

Overfolding deflates the whipped cream and egg whites. Fold gently and stop as soon as the streaks disappear.

Can I make this ahead?

Yes, it holds well covered in the fridge up to two days, the texture actually firms up nicely overnight.

Can I use milk chocolate instead of bittersweet?

You can, but reduce the added sugar since milk chocolate is already sweeter, otherwise the mousse turns cloying.

Tools for the Job

Clean, even portions in a classic shape make this feel like a restaurant dessert instead of a bowl of pudding.

More Baking and Dessert Recipes

These publish together as a set. The full hub lists all twenty in one place at Baking and Dessert Recipes.

Who Is Writing This

I'm Chef Alan. I have spent 35 years in professional kitchens, I have formal culinary education in New Hampshire, and I have been honored as a 6-Time 4-Diamond Chef. More about me here.

If a recipe is missing something you needed, or a step didn't make sense, tell me. Get in touch and I'll fix it.

Cook Bolder, Serve Wiser, Eat Better.