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Keto Chocolate Mousse

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)

  • Skill Intensity: ███░░ (3/5) – You need to whip cream without over-whipping and fold gently.

  • Effort Intensity: ██░░░ (2/5) – Active time is very short, but precision matters.

  • Mess Factor: ██░░░ (2/5) – One bowl, one hand mixer, easy cleanup.


Ingredients

For the Mousse Base

  • 2 large egg yolks (room temperature)

  • 1/3 cup (80 ml) heavy cream (for the yolk mixture)

  • 2 tbsp unsalted butter (cut into small pieces)

  • 1/4 cup (20g) unsweetened cocoa powder (Dutch-processed for smoother taste)

  • 1/2 cup (120 ml) boiling water

For the Whipped Cream Fold-In

  • 1 cup (240 ml) heavy cream (cold, straight from fridge)

  • 1 tsp vanilla extract

  • 15–20 drops liquid stevia (or 3 tbsp powdered erythritol, to taste)

Optional Garnish

  • Shaved sugar-free dark chocolate

  • Flaky sea salt

  • Fresh raspberries (2–3 per serving – adds ~0.5g net carb each)


Instructions

Step 1: Make the Chocolate Base (Intensity: Medium – Heat & Whisking)

  1. In a medium heatproof bowl, whisk the 2 egg yolks and 1/3 cup heavy cream until smooth and pale yellow (about 1 minute).

  2. Add the 2 tbsp butter and 1/4 cup cocoa powder. Whisk into a thick paste – it will look lumpy, that’s fine.

  3. 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).

  4. 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)

  1. In a separate large chilled bowl, pour 1 cup cold heavy creamvanilla, and liquid stevia.

  2. 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.

  3. 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)

  1. Remove the cooled chocolate base from the fridge. It should be thick like pudding.

  2. Scoop 1/3 of the whipped cream into the chocolate base and whisk vigorously to lighten the mixture (this is “sacrificial cream”).

  3. 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.

  4. Divide mousse into 4 serving glasses or ramekins.

  5. 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

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