Introduction
This chocolate mousse comes together in a blender in under 5 minutes with no cooking required, making it a reliable dessert for when you need something rich and cold fast. The combination of half-and-half and heavy cream creates a naturally thick, creamy base that requires only light blending to achieve the right texture.
Recipe Details
- Prep Time: 5 minutes
- Cook Time: 0 minutes
- Total Time: 5 minutes
- Servings: 4
Ingredients
1 cup (240 ml) or 1 part half and half
1 cup (240 ml) or 1 part heavy cream
1 cup (240 ml) or 1 part water
4 scoops or 1 part Atkins Chocolate Shake Mix
2 tsp or 1/24 part stevia powder or other sugar replacement
Instructions
Lightly whip half and half and cream in a blender.
Add other ingredients into blender.
Blend everything together until smooth.
Enjoy.
Variations
- Richer texture: use 1.5 cups heavy cream and reduce water to 0.5 cups for a denser mousse that sits closer to a pudding.
- Chilled vs. frozen: freeze the mixture in a shallow container for 1–2 hours for a firmer texture, or serve immediately over ice for a lighter, pourable consistency.
- Dairy-free swap: replace the half-and-half and heavy cream with full-fat coconut milk (2 cups total) for a similar mouthfeel without dairy.
- Flavor boost: add 1/2 teaspoon instant coffee powder to deepen the chocolate notes without changing the texture.
- Topping options: dust the finished mousse with cocoa powder, crushed nuts, or whipped cream just before serving.
Tips for Success
- Add the shake mix gradually while blending to avoid lumps; stop and scrape the blender sides if needed.
- Chill your blender bowl in the freezer for 10 minutes before blending if you want the mousse to set quickly and hold its shape without additional refrigeration.
- Measure the water carefully—too much thins the mousse beyond recovery, while too little leaves it dense and grainy.
- Taste before serving and adjust sweetness with a pinch more stevia powder if needed, as shake mixes vary in intensity.
Storage and Reheating
FAQ
Can I make this ahead?
Yes, up to 2 days in advance. Cover it tightly to prevent it from absorbing odors in the fridge. Stir gently before serving if any separation appears.
What if my mousse comes out too thin?
You likely over-blended or used too much water. In future batches, reduce water by 1/4 cup and blend only until smooth. If it happens now, you can chill it for 2–3 hours and it may thicken slightly, but this is not a reliable fix.
Can I use a different chocolate shake powder?
Yes, any chocolate-flavored shake mix works, though sweetness levels vary by brand. Taste as you go and adjust the stevia powder accordingly to avoid an overly sweet result.
Does this work without a blender?
No. You need the blender to whip air into the cream and combine the shake powder smoothly. A hand mixer won’t produce the same mousse texture.
Attribution: Recipe text from “Cookbook:Atkins-Friendly Chocolate Mousse” on Wikibooks (© Wikibooks contributors).
Source: https://en.wikibooks.org/wiki/Cookbook:Atkins-Friendly_Chocolate_Mousse
License: CC BY-SA 4.0 — https://creativecommons.org/licenses/by-sa/4.0/
Additions: Editorial additions and formatting changes were made for clarity and usability. Ingredients, instructions, and other sections may be adapted where appropriate.

