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The Complete Sous Vide Cookbook · DessertAmerican

Sous Vide Chocolate Mousse

By Laurel C. Purcell · US & Metric Measurements · Ready in 2 hr

★★★★★4.8
·(56 home cook ratings)·✓ Tested in US Kitchens

Sous Vide Chocolate Mousse cooks dark chocolate, 3 eggs, sugar at 180°F for edge-to-edge tenderness you cannot get from high-heat guesswork. Sealing the aromatics with the food locks in natural juices, and a quick finish gives the surface restaurant-style color and texture. Total time is around 2 hours with only 15 minutes of hands-on prep.

Prep: 15 min
Cook: 1 hr 45 min
Total: 2 hr
Servings: 4
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Ingredients (5)

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Nutrition FactsPer Serving
Calories
324 kcal
Total Fat
8g
Protein
26g
Carbs
14g
Sodium: 484mgFiber: 3g
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Step-by-Step Instructions

1
Gently melt the chocolate and allow it to cool a little.
2
Beat the sugar, vanilla, and egg yolks until they are pale.
3
Mix the yolk mixture with the chocolate.
4
Add salt to the egg whites and whisk until firm peaks form.
5
Fold the egg whites into the chocolate mixture gently.
6
Pour into vacuum-sealed bags with a small aperture or jars and shut loosely.
7
Set the sous vide temperature to 180°F (82°C).
8
Cook for half an hour.
9
Before serving, let it cool.

💡 Chef Tips for Best Results

  • ✓Pat Sous Vide Chocolate Mousse completely dry with paper towels after removing it from the bag so the sear browns in 45–60 seconds per side without steaming.
  • ✓Keep the bag fully submerged in the 180°F water bath with a clip or rack so warm water circulates evenly around every side.
  • ✓For cooks longer than 2 hours, cover the container with a fitted lid or ping-pong balls to prevent evaporation and maintain steady temperature.

🧊 Storage, Freezing & Safe Reheating

If meal-prepping, chill the unopened vacuum bag in an ice bath (half ice, half cold water) for 30 minutes, then refrigerate at 40°F or below for up to 4 days or freeze for up to 3 months. Rewarm in a 130°F water bath before searing.

Frequently Asked Questions

Can I use a zip-top freezer bag instead of a vacuum sealer for Sous Vide Chocolate Mousse?

Yes. Use heavy-duty BPA-free freezer bags and the water-displacement method: slowly lower the bag into the water bath with the top corner open so water pushes the air out, then seal the zipper just above the waterline.

What happens if Sous Vide Chocolate Mousse stays in the sous vide bath 30 minutes longer?

Because the water bath never exceeds the target temperature (180°F), an extra 20–30 minutes will not overcook most dishes—just avoid leaving delicate fish or eggs in the bath far past the recommended time, as their texture can soften.

📖 More Recipes from The Complete Sous Vide Cookbook

Adapted from The Complete Sous Vide Cookbook by Laurel C. Purcell. Explore all 120 recipes in this collection or look up the print & Kindle edition on Amazon.

LC

Recipe by Laurel C. Purcell

Adapted from The Complete Sous Vide Cookbook and edited for American kitchens by the RecipeVault Pro editorial team — US & metric measurements, USDA-safe doneness temperatures, and practical tips. Our editorial policy

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