Spiced Rum-Infused Chocolate Mousse with Whipped Cream

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Decadent dark chocolate mousse elevated with a splash of spiced rum and topped with lightly sweetened whipped cream. This french-inspired desserts ready in about 20 minutes layers chopped dark chocolate (70% cacao), divided heavy cream, granulated sugar 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 350 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.

Prep: 20 min Serves 4 French cuisine 350 cal/serving
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Ingredients

Instructions

  1. Step 1: Place 6 oz chopped dark chocolate in a heatproof bowl set over a pot of simmering water, stirring occasionally until smooth. Remove from heat and let cool slightly.
  2. Step 2: In a medium bowl, whip 3/4 cup heavy cream with 1 tbsp granulated sugar until soft peaks form; set aside.
  3. Step 3: In a separate clean bowl, whisk 3 large egg whites with 1/8 tsp salt using an electric mixer until stiff peaks form.
  4. Step 4: In another bowl, whisk 3 large egg yolks with 1 tbsp granulated sugar, 2 tbsp spiced rum, and 1 tsp vanilla extract until pale and creamy.
  5. Step 5: Gently fold the melted chocolate into the egg yolk mixture until fully combined.
  6. Step 6: Carefully fold in the whipped cream followed by the beaten egg whites in two additions each, maintaining as much air as possible.
  7. Step 7: Spoon the mousse into 4 serving glasses and refrigerate for at least 3 hours or until set.
  8. Step 8: Before serving, whip the remaining 1/2 cup heavy cream to soft peaks and dollop over each mousse glass.

Equipment for this recipe

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Frequently asked questions

How long does Spiced Rum-Infused Chocolate Mousse with Whipped Cream take to make?

Total time is about 20 minutes (20 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 Spiced Rum-Infused Chocolate Mousse with Whipped Cream?

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 Spiced Rum-Infused Chocolate Mousse with Whipped Cream?

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 Spiced Rum-Infused Chocolate Mousse with Whipped Cream 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 Spiced Rum-Infused Chocolate Mousse with Whipped Cream?

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.