Epic Chocolate Hazelnut Mousse

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A silky, indulgent dessert with dark chocolate, toasted hazelnuts, and a hint of espresso for a rich, nutty flavor. This french-inspired desserts ready in about 30 minutes layers (melted) Dark chocolate, Heavy cream, (separated) Eggs into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 250 calories and feeds 6, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

★ 3.7 (10 ratings) Prep: 30 min Serves 6 French cuisine 250 cal/serving
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Ingredients

Instructions

  1. Step 1: In a heatproof bowl, melt 8 oz dark chocolate over a double boiler until smooth.
  2. Step 2: In a separate bowl, whip 1/2 cup heavy cream until stiff peaks form. Fold 1/3 of the whipped cream into the melted chocolate to lighten the mixture.
  3. Step 3: In another bowl, beat 3 egg yolks with 1/4 cup sugar until pale and thick. Fold the egg yolk mixture into the chocolate mixture.
  4. Step 4: In a third bowl, beat 3 egg whites until stiff peaks form. Gently fold the egg whites into the chocolate mixture until just combined.
  5. Step 5: Add 1/2 cup toasted hazelnuts, 1 tbsp espresso powder, and 1 tsp vanilla extract. Fold until evenly distributed.
  6. Step 6: Chill the mousse in the refrigerator for at least 4 hours. Serve in chilled glasses, topped with additional hazelnuts.

Equipment for this recipe

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Frequently asked questions

How long does Epic Chocolate Hazelnut Mousse take to make?

Total time is about 30 minutes (30 min prep + 0 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.

How do I store leftover Epic Chocolate Hazelnut Mousse?

Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.

Can I substitute ingredients in Epic Chocolate Hazelnut Mousse?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Epic Chocolate Hazelnut Mousse for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Epic Chocolate Hazelnut Mousse?

French desserts like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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