This smooth and creamy coffee mousse is perfect for both coffee lovers and chocolate lovers! This light and airy dessert is ready in less than 20 minutes and can be made ahead for any occasion.
Beat Egg Yolks: In a medium bowl, beat 4 egg yolks with an electric mixer on high speed for about 3 minutes until fluffy and light yellow.
Add Dry Ingredients: Add ½ cup powdered sugar, 3 tablespoons espresso powder, and 1 tablespoon cocoa powder to the egg yolks. Beat until fully combined.
Heat Cream: In a small saucepan, heat 1 cup of heavy whipping cream over medium heat until hot but not boiling.
Temper Eggs: Slowly pour the heated cream into the egg mixture, constantly stirring until smooth to prevent curdling.
Thicken Mixture: Pour the mixture back into the saucepan. Stir over low heat until it thickens and coats the back of a spoon, about 5 minutes. Do not let it boil.
Cool Mixture: Transfer the mixture to a large bowl and let it cool. Cover and refrigerate until completely cool. To speed up cooling, place the mixture in the freezer and stir every 5 minutes until ready, about 15-20 minutes.
Whip Cream: In a stand mixer or a large bowl with an electric mixer, whip 1-½ cups of cold heavy whipping cream on high speed until stiff peaks form. Reserve 4 tablespoons of whipped cream for serving, if desired.
Fold Together: Gently fold the whipped cream into the cooled coffee mixture with a rubber spatula until well combined.
Serve: Spoon the mousse into a large serving bowl or individual ramekins (use a piping bag for a neater presentation). Chill for at least 4 hours before serving. Garnish with a dollop of whipped cream and a sprinkle of espresso powder, cocoa powder, or a few coffee beans. Enjoy!
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Notes
Use Different Coffee Varieties: Experiment with different types of coffee like hazelnut, caramel, or vanilla-flavored instant coffee.
Chocolate Drizzle: Drizzle melted dark chocolate over the top of the mousse before serving.
Add a Splash of Liqueur: For an adult version, add a splash of coffee liqueur, such as Kahlúa or Baileys Irish Cream.
Serve in Edible Cups: Serve the mousse in chocolate cups or cookie bowls.