The ingredients for a common mousse are:
- 15 ounces semisweet chocolate
- 3 tablespoons granulated sugar
- 2 tablespoons water
- 2 tablespoons unsalted butter at room temperature
- 4 egg yolks
- 1 whole egg
- 1 teaspoon instant coffee powder
- 1 1/2 cups whipping cream
- 3 tablespoons powdered sugar
- 4 egg whites
To make the glaze for the mousse:
Break up the 3 ounces of the chocolate and place in top of double boiler. Add sugar and water. Place over hot water on moderate heat. Stir occasionally until chocolate is melted and mixture is smooth. Remove from hot water. Add butter and stir until smooth. Let stand at room temperature, stirring occasionally, until mixture thickens slightly.
To make the mousse:
Melt 12 ounces of the chocolate over simmering water. Combine yolks, whole egg and instant coffee powder. Whip until light and creamy, Blend in melted chocolate. Whip cream and sugar until fairly firm peaks form. Fold chocolate mixture into cream. Whip egg whites at high speed until moist and fluffy but not dry. Fold whites into chocolate mixture.
Lastly, add on as much of the glaze you want on the mousse.