Low Calorie Chocolate Mousse

Published: Sep 1, 2025 · Modified: Sep 16, 2025

Glass dessert cup filled with low calorie chocolate mousse topped with whipped cream and chocolate shavings.

---Advertisement---

Low calorie chocolate mousse sounds too good to be true, right? How do you make low calorie chocolate mousse that still tastes rich and silky? I used to think dessert meant blowing past my calorie goals, until I found this trick. Imagine a treat that feels indulgent but stays around 150 calories. Ready to whip up something that makes you smile without the guilt?

Table of Contents

Why You’ll Love This Recipe

Why is this the best low calorie chocolate mousse to make at home? Because it balances indulgence with smart choices. Once you try it, you’ll wonder why you ever settled for store-bought cups.

Ready in minutes with simple pantry staples
Comes in at 120–150 calories per serving
Creamy, chocolatey texture that feels like a treat
High protein option for a more filling dessert, and Harvard T.H. Chan notes that protein helps you feel full for longer
Kid-approved and perfect for sharing with family or friends, and if you want a quick snack too, try my peanut butter oatmeal protein balls

Nutrition and Calories at a Glance

How many calories are in low calorie chocolate mousse? It depends on which version you choose, but both keep dessert within your daily balance; USDA dietary patterns list calorie levels from 1,000 to 3,200 per day.

Standard Light Version (≈150 Calories)

One serving comes in at about 152 calories, with around 22 grams of carbs, 6 grams of protein, and 5 grams of fat. It feels indulgent without being heavy.

Ultra Light Version (≈120 Calories)

Swap in fat-free yogurt and stick with cocoa powder instead of melted chocolate, and you land closer to 120 calories per serving; USDA MyPlate also suggests choosing low-fat or fat-free yogurt.

What Changes Between Versions

Yogurt choice: low-fat versus fat-free
Cocoa powder versus a touch of melted chocolate
Sweetener type: stevia or another zero-calorie option

Ingredients Needed

Ingredients for low calorie chocolate mousse including yogurt, cocoa powder, stevia, chocolate squares, and an egg.

What ingredients do you need for low calorie chocolate mousse? The good news is that you probably have most of them already in your kitchen. Here’s everything laid out clearly so you can pick the version that works best for you.

For the 150 Calorie Version

1 small pasteurized egg, separated
4 tablespoons stevia
150 grams low-fat yogurt
2 tablespoons unsweetened cocoa powder
15 grams melted chocolate

For the 120 Calorie Version

150 grams fat-free yogurt
2 to 3 tablespoons unsweetened cocoa powder
3 to 4 tablespoons stevia or another zero-calorie sweetener

Optional Toppings (≤20 Calories Each)

A light dusting of cocoa powder
Fresh berries such as raspberries or strawberries
A spoonful of fat-free whipped topping

Notes and Substitutions

Swap dairy yogurt with coconut yogurt for a dairy-free option.
For an egg-free mousse, use silken tofu with a setting agent like agar agar.
Weight Watchers followers can estimate points with a simple calculator.
Cocoa-only versions are lighter, while melted chocolate adds richness and depth. If you prefer plant milk, see how to make almond milk at home.

How to Make Low Calorie Chocolate Mousse

Spoon lifting a bite of chilled low calorie chocolate mousse from a glass topped with whipped cream and chocolate shavings.

How do you make low calorie chocolate mousse at home? It comes down to picking your favorite method. Each one gives a slightly different texture, but all keep calories under control.

Choose Your Method

Greek yogurt for a quick and creamy version
Egg white plus yogurt for the most airy texture
Cottage cheese in a blender for a high protein option, and for breakfast, try my banana cottage cheese pancakes.

Method 1: Greek Yogurt – Step by Step

Scoop 150 grams of Greek yogurt into a bowl.
Mix in 2 tablespoons of unsweetened cocoa powder.
Stir in 3 tablespoons of stevia until smooth.
Chill for at least 1 hour so the mousse thickens.

Method 2: Egg White Plus Yogurt – Step by Step

Separate one small pasteurized egg; for any recipe that may not fully cook the egg, the FDA advises using pasteurized eggs.
Melt 15 grams of chocolate in a microwave-safe dish, stirring every 10 seconds until smooth. Let it cool.
In the yolk bowl, whisk together low-fat yogurt, cocoa, and 1 tablespoon of stevia until creamy.
Blend in the cooled melted chocolate.
Whip the egg white with the rest of the stevia until stiff peaks form.
Gently fold half the whipped egg white into the chocolate mixture.
Fold in the rest until no streaks remain.
Divide into two ramekins and chill for at least 3 hours.

Method 3: Cottage Cheese Blender – Step by Step

Place 150 grams of cottage cheese, 2 tablespoons of cocoa, and 3 tablespoons of stevia into a blender.
Blend until silky and no grainy bits remain.
Spoon into ramekins or glasses.
Chill for 2 to 3 hours for a firmer set.

Pro Tips and Troubleshooting

How do you fix low calorie chocolate mousse if it turns runny? The good news is most problems have an easy solution. These tips will help you get it right the first time, and rescue you if things go sideways.

Expert Tips for Texture and Flavor

Chill your mixing bowl and whisk before whipping egg whites for faster peaks.
Fold the egg whites slowly to keep the mousse light.
Taste the mix before chilling to adjust sweetness or cocoa.

Common Mistakes to Avoid

Adding hot chocolate to cold yogurt, which can cause curdling.
Overbeating egg whites until they turn dry and clumpy.
Skipping the chill time, leaving mousse too loose.

Quick Fixes if Things Go Wrong

Grainy chocolate? Whisk in a teaspoon of warm milk to smooth it out.
Runny mousse? Stir in extra cocoa and let it chill longer.
Too tangy? Add a drizzle of vanilla or a pinch of powdered sugar.

One Clever Shortcut

Pour the mousse into popsicle molds and freeze for a creamy chocolate stick that feels like dessert on the go.

Serving, Storage, and Variations

How do you store low calorie chocolate mousse so it stays fresh and creamy? The trick is all in timing and the right container.

Serving Ideas

Elegant glass cups of low calorie chocolate mousse garnished with whipped cream and chocolate flakes.

Spoon it into small glass jars for a pretty presentation. Top with a few raspberries or a light dusting of cocoa powder, or a teaspoon of medjool date caramel sauce. Layer it with fruit for a parfait or add a tiny spoon of fat-free whipped topping for flair.

Storage and Make Ahead

Keep mousse covered in the fridge for up to three days. Make it a day ahead if you want the flavor to deepen. Use airtight jars or ramekins to keep it smooth.

Freezer, Thawing, and Texture Reset

Freeze portions for up to one month. Thaw in the fridge overnight and stir gently before serving. If the mousse feels a little icy, a quick whisk will restore some of the creaminess.

Variations

High protein: stir in a scoop of chocolate or vanilla protein powder, then prep a jar of high protein overnight oats for the morning
Vegan: swap dairy yogurt for coconut yogurt and replace egg with silken tofu
No egg: use agar agar or gelatin for set
Low sugar: stick with stevia or monk fruit
Flavor twists: add instant coffee for mocha, orange zest for brightness, or mint extract for a refreshing spin

Final Thoughts

Is low calorie chocolate mousse worth making at home? Absolutely. It gives you a dessert that tastes rich while keeping you on track with your goals. Whether you go for the 150 calorie version or the ultra-light 120 calorie swap, you’ll get a treat that feels special without guilt.

I’d love to hear how you make it your own. Did you try the Greek yogurt version or the cottage cheese twist? Drop a comment, leave a star rating, and share your spin so others can try it too.

FAQ

1. How can I make low calorie chocolate mousse under 150 calories without cream?

Use low-fat or fat-free yogurt as the base, swap in cocoa powder instead of melted chocolate, and sweeten with stevia. These swaps keep each serving close to 120–150 calories while still giving you a creamy, chocolatey dessert.

2. Can I use Greek yogurt instead of heavy cream, and which fat level tastes best?

Yes, Greek yogurt works perfectly in place of cream. Fat-free yogurt makes the mousse lighter and leaner, while 2 percent yogurt gives it more body and a richer taste. Try both and see which one you prefer.

3. Is there an egg-free version that still sets well?

You can make egg-free low calorie chocolate mousse by blending silken tofu with cocoa and stevia. Another option is to use yogurt as the base and add a small amount of gelatin or agar agar to help it set.

4. My mousse turned runny or grainy. How do I fix it fast?

If it looks grainy, whisk in a teaspoon of warm milk to smooth out the texture. For runny mousse, stir in extra cocoa and give it more chill time. Most batches firm up after a few hours in the fridge.

5. Can I make it dairy-free or vegan, and what chocolate should I choose?

Yes, swap yogurt with coconut yogurt and use silken tofu for structure. Pick a dark chocolate or cocoa powder that’s labeled dairy-free. Many brands sell vegan chocolate chips that work well in mousse.

6. How long does it need to chill, and how far ahead can I prep it?

Chill the mousse for at least three hours for the best set. You can prepare it a day ahead and store it in the fridge. The flavor often deepens overnight, so making it early is actually an advantage.