Authentic Dark Chocolate Mousse with Raspberry Coulis

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Silky, decadent chocolate mousse with a vibrant raspberry swirl, set with a single egg white for perfect texture without baking. This desserts-inspired desserts ready in about 15 minutes layers dark chocolate (70% cacao), heavy cream, (at room temperature) egg white 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 380 calories and feeds 4, 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.

★ 4.0 (8 ratings) Prep: 15 min Serves 4 Desserts cuisine 380 cal/serving
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Ingredients

Instructions

  1. Step 1: Melt dark chocolate in a heatproof bowl set over simmering water, stirring until smooth. Remove from heat and cool for 5 minutes.
  2. Step 2: Whip 1/2 cup heavy cream and vanilla extract in a bowl until soft peaks form. Set aside.
  3. Step 3: Beat egg white with a pinch of salt until foamy, then gradually add 2 tbsp sugar while beating until stiff peaks form (about 2 minutes).
  4. Step 4: Gently fold melted chocolate into egg white mixture until no streaks remain, then fold in whipped cream until fully incorporated and no white spots remain.
  5. Step 5: Divide mousse into 4 glasses, smoothing tops. Refrigerate for at least 4 hours or until set.
  6. Step 6: While mousse chills, blend raspberries and lemon juice in a blender until smooth, then strain through a fine-mesh sieve. Drizzle coulis over mousse just before serving.

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Frequently asked questions

How long does Authentic Dark Chocolate Mousse with Raspberry Coulis take to make?

Total time is about 15 minutes (15 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 Authentic Dark Chocolate Mousse with Raspberry Coulis?

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 Authentic Dark Chocolate Mousse with Raspberry Coulis?

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 Authentic Dark Chocolate Mousse with Raspberry Coulis for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Authentic Dark Chocolate Mousse with Raspberry Coulis?

Desserts 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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