| Detail | Information |
|---|---|
| Prep Time | 5 minutes |
| Chill Time | 60 minutes (minimum) |
| Total Time | 1 hour 5 minutes |
| Difficulty | Medium (requires careful whipping) |
| Yield | 4 servings |
| Dietary | Keto, Low-Carb, Gluten-Free, Sugar-Free |
Intensity Breakdown (1–5 scale)
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Skill Intensity: ███░░ (3/5) – You need to whip cream without over-whipping and fold gently.
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Effort Intensity: ██░░░ (2/5) – Active time is very short, but precision matters.
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Mess Factor: ██░░░ (2/5) – One bowl, one hand mixer, easy cleanup.
Ingredients
For the Mousse Base
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2 large egg yolks (room temperature)
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1/3 cup (80 ml) heavy cream (for the yolk mixture)
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2 tbsp unsalted butter (cut into small pieces)
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1/4 cup (20g) unsweetened cocoa powder (Dutch-processed for smoother taste)
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1/2 cup (120 ml) boiling water
For the Whipped Cream Fold-In
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1 cup (240 ml) heavy cream (cold, straight from fridge)
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1 tsp vanilla extract
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15–20 drops liquid stevia (or 3 tbsp powdered erythritol, to taste)
Optional Garnish
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Shaved sugar-free dark chocolate
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Flaky sea salt
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Fresh raspberries (2–3 per serving – adds ~0.5g net carb each)
Instructions
Step 1: Make the Chocolate Base (Intensity: Medium – Heat & Whisking)
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In a medium heatproof bowl, whisk the 2 egg yolks and 1/3 cup heavy cream until smooth and pale yellow (about 1 minute).
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Add the 2 tbsp butter and 1/4 cup cocoa powder. Whisk into a thick paste – it will look lumpy, that’s fine.
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Slowly pour 1/2 cup boiling water into the mixture while whisking constantly. The heat will melt the butter and “temper” the yolks (prevent scrambling).
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The mixture will become smooth, glossy, and thin like hot chocolate. Set aside to cool for 15 minutes, then refrigerate for 20 minutes (it must be cool before folding – warm base will deflate whipped cream).
Chef’s Tip: Don’t skip the cooling step. If the base is warm, your mousse will be flat and runny.
Step 2: Whip the Cream (Intensity: Medium-High – Watch Closely)
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In a separate large chilled bowl, pour 1 cup cold heavy cream, vanilla, and liquid stevia.
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Using a hand mixer or stand mixer with whisk attachment, beat on medium-high speed until soft peaks form – about 90 seconds. Soft peaks curl over when you lift the beater.
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Stop immediately. Do not whip to stiff peaks or the mousse will be grainy.
Step 3: Fold & Chill (Intensity: Gentle – The Make-or-Break Step)
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Remove the cooled chocolate base from the fridge. It should be thick like pudding.
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Scoop 1/3 of the whipped cream into the chocolate base and whisk vigorously to lighten the mixture (this is “sacrificial cream”).
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Gently fold the remaining whipped cream into the chocolate using a rubber spatula. Cut down through the center, scrape along the bottom, and lift up. Rotate the bowl. Repeat 6–8 times until just combined – a few white streaks are okay.
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Divide mousse into 4 serving glasses or ramekins.
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Refrigerate for at least 1 hour (or up to 24 hours). The mousse sets and becomes airy, not icy.
Step 4: Serve
Garnish with chocolate shavings or sea salt. Eat cold. Store leftovers covered in the fridge for up to 3 days (though it rarely lasts that long).
Nutrition Information (Per Serving)
Based on 4 servings using liquid stevia (zero calories). Using erythritol adds ~5 calories per serving.
| Nutrient | Amount |
|---|---|
| Calories | 385 kcal |
| Fat | 38 g |
| Saturated Fat | 23 g |
| Protein | 5 g |
| Total Carbohydrates | 6 g |
| Fiber | 3 g |
| Net Carbohydrates | 3 g |
| Sugars | 2 g (naturally from cream) |
| Cholesterol | 170 mg |
| Sodium | 40 mg |
| Potassium | 150 mg |
| Vitamin A | 28% DV |
| Calcium | 6% DV |
| Iron | 8% DV |