No-Bake Chocolate Mousse with Heavy Cream and Cocoa

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

A luxurious, silky chocolate mousse made with heavy cream and unsweetened cocoa powder, ready in minutes. This american-inspired keto (low carb, keto) ready in about 10 minutes pairs Heavy cream, Unsweetened cocoa powder, Erythritol for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 180 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. 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: 10 min Serves 4 American cuisine 180 cal/serving
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Ingredients

Instructions

  1. Step 1: In a large bowl, combine 1 cup heavy cream, 1/4 cup unsweetened cocoa powder, 2 tbsp erythritol, 1/2 tsp vanilla extract, and a pinch of salt.
  2. Step 2: Whip with an electric mixer on medium-high speed until soft peaks form, about 3 minutes.
  3. Step 3: Divide the mousse into 4 serving dishes and refrigerate for at least 2 hours to set fully.
  4. Step 4: Serve chilled, garnished with a sprinkle of cocoa powder if desired.

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Frequently asked questions

How long does No-Bake Chocolate Mousse with Heavy Cream and Cocoa take to make?

Total time is about 10 minutes (10 min prep + 0 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover No-Bake Chocolate Mousse with Heavy Cream and Cocoa?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep heavy cream from drying out.

Can I substitute ingredients in No-Bake Chocolate Mousse with Heavy Cream and Cocoa?

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 No-Bake Chocolate Mousse with Heavy Cream and Cocoa 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.

Is No-Bake Chocolate Mousse with Heavy Cream and Cocoa low carb?

Yes — this recipe is tagged low carb, keto based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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