My favorite chocolate mousse for cakes
My favorite chocolate mousse for cakes is a easy French recipe that serves 12. 200 calories per serving. Recipe by Sugarologie on YouTube.
Prep: 10 min | Cook: 7 min | Total: 22 min
Cost: $8.12 total, $0.68 per serving
Ingredients
- 200 g Dark Chocolate (70% cocoa or higher, chopped into small pieces)
- 100 g Unsalted Butter (cut into cubes, room temperature)
- 0.25 tsp Salt (fine sea salt)
- 300 ml Heavy Whipping Cream (cold, 35% fat)
- 100 ml Sour Cream (full‑fat, chilled)
- 50 g Powdered Sugar (sifted)
Instructions
Chop Chocolate
Place the dark chocolate bar on a cutting board and chop it into roughly 1‑cm pieces so it melts evenly.
Time: PT2M
Melt Chocolate with Butter and Salt
Transfer the chopped chocolate, butter cubes, and salt to a microwave‑safe bowl. Microwave on high for 30‑second intervals, stirring after each burst, until the mixture is smooth, glossy, and fully melted.
Time: PT2M
Combine Creams
Add the heavy whipping cream and sour cream to the melted chocolate‑butter mixture. Whisk gently until the mixture thickens slightly, about 30 seconds.
Time: PT1M
Whip to Soft Peaks
In a separate clean bowl, pour the heavy whipping cream (if any remains) and beat with a whisk until it begins to thicken. Add the sifted powdered sugar and continue whipping until soft peaks form.
Time: PT5M
Fold Chocolate into Whipped Cream
Briefly re‑heat the chocolate‑cream mixture in the microwave for 10 seconds to loosen it, then quickly fold it into the whipped cream using a spatula. Work fast so the chocolate stays fluid and the mousse stays airy.
Time: PT1M
Chill Before Using
Cover the mousse with plastic wrap (directly on the surface to prevent a skin) and refrigerate for at least 30 minutes before spreading into cakes.
Time: PT30M
Temperature: 4°C
Nutrition Facts
- Calories
- 200
- Protein
- 2 g
- Carbohydrates
- 15 g
- Fat
- 15 g
- Fiber
- 2 g
Dietary info: Vegetarian, Egg‑free, Gelatin‑free
Allergens: Dairy, Soy (often present in chocolate emulsifier)
Ingredient Substitutions
- Instead of Dark Chocolate: Semi-sweet chocolate, Bittersweet chocolate
- Instead of Unsalted Butter: Margarine (unsalted), Plant‑based butter
- Instead of Salt: Kosher salt
- Instead of Heavy Whipping Cream: Cold coconut cream (for dairy‑free), Cold half‑and‑half (less stable)
- Instead of Sour Cream: Greek yogurt (plain), Crème fraîche
- Instead of Powdered Sugar: Granulated sugar (processed in blender), Stevia powder (adjust amount)
Equipment Needed
- Microwave‑Safe Bowl
- Whisk
- Spatula
- Measuring Cups and Spoons
- Kitchen Scale (optional)
Critical Steps — Do Not Skip
- Melt chocolate and butter slowly, stirring between intervals to avoid scorching.
- Fold the warm chocolate mixture into the whipped cream quickly to keep the mousse airy.
Chef Tips from the Video
- Use high‑quality dark chocolate with at least 70% cocoa for the best flavor and stability.
- A pinch of sea salt enhances the chocolate depth and balances the sweetness.
- Sift the powdered sugar to avoid lumps that could deflate the whipped cream.
Troubleshooting
Mousse became grainy or separated.
The chocolate likely overheated or was added to cold whipped cream. Re‑heat the chocolate gently and fold it in while the whipped cream is still soft.
Mousse is too runny.
Whip the cream to firmer peaks and ensure the chocolate mixture is not overly warm. Chill the mousse longer to set.
Chocolate set before folding.
Re‑heat the chocolate‑cream mixture for a few seconds in the microwave and work quickly; you can also add a tablespoon of warm cream to loosen it.
Storage
Refrigerator: Store in an airtight container for up to 2 days.
Freezer: Can be frozen for up to 1 month; thaw in the refrigerator before use.
Room temperature: Not recommended; mousse may melt or become grainy.
Make-Ahead Tips
- Prepare the mousse up to 24 hours in advance; keep refrigerated and give it a quick whisk before using.
- If the mousse becomes too firm, let it sit at room temperature for 5‑10 minutes and gently fold before spreading.
Frequently Asked Questions
What is the cultural significance and history of chocolate mousse in French pastry tradition?
Chocolate mousse originated in France in the early 20th century as a light, airy dessert that showcased the richness of chocolate without the heaviness of custard. It quickly became a staple in French patisseries and is now celebrated worldwide as a classic, elegant dessert.
What are the traditional regional variations of chocolate mousse in French cuisine?
In classic French cuisine, chocolate mousse is often flavored simply with vanilla or a splash of liqueur. Regional twists include adding orange zest in Provence, Grand‑Marnier in Parisian patisseries, or a hint of espresso in the north. The Sugarologie version skips eggs and gelatin, relying on cocoa butter for stability.
How is chocolate mousse traditionally served in French bakeries?
Traditional French bakeries serve chocolate mousse as individual parfaits, layered in glassware, or as a filling for gateaux, éclairs, and tartlets. It is usually garnished with a dusting of cocoa powder, fresh berries, or a drizzle of chocolate ganache.
What occasions or celebrations is chocolate mousse commonly associated with in French culture?
Chocolate mousse is popular for birthdays, weddings, and holiday celebrations such as Noël (Christmas) and La Fête des Mères (Mother’s Day). Its elegant texture makes it a favorite for special‑occasion cakes and dessert tables.
What other French desserts pair well with this egg‑free chocolate mousse filling?
Pair it with a light vanilla sponge, almond génoise, or a buttery shortcrust tart. It also works beautifully alongside fresh raspberries, whipped mascarpone, or a thin layer of coffee‑flavored buttercream for contrast.
What are the authentic traditional ingredients for French chocolate mousse versus acceptable substitutes?
Traditional French chocolate mousse uses dark chocolate, egg yolks, egg whites, and sometimes a touch of cream. In the Sugarologie recipe, eggs and gelatin are omitted; butter, heavy cream, sour cream, and cocoa butter in the chocolate provide stability. Acceptable substitutes include plant‑based butter, coconut cream, or Greek yogurt for dairy‑free versions.
What are the most common mistakes to avoid when making this egg‑free chocolate mousse filling?
Common mistakes include overheating the chocolate, which causes it to seize, and letting the chocolate cool too much before folding, which makes it set and deflates the whipped cream. Also, over‑whipping the cream can turn it grainy, and under‑whipping will not give enough aeration.
Why does this chocolate mousse recipe use butter and sour cream instead of egg whites or gelatin?
Butter adds richness and helps the chocolate melt smoothly, while sour cream adds a subtle tang and extra body. The cocoa butter in dark chocolate naturally crystallizes, providing enough structure to hold the mousse without the need for egg whites or gelatin.
Can I make this chocolate mousse ahead of time and how should I store it before using?
Yes, you can prepare the mousse up to 24 hours in advance. Keep it covered with plastic wrap directly on the surface and refrigerate at 4 °C. Before using, give it a gentle whisk to restore its airy texture.
What does the YouTube channel Sugarologie specialize in?
The YouTube channel Sugarologie specializes in elegant pastry and cake tutorials, focusing on modern techniques, decorative finishes, and approachable recipes for home bakers who love sophisticated desserts.
How does the YouTube channel Sugarologie's approach to chocolate desserts differ from other pastry channels?
Sugarologie emphasizes simplicity without compromising flavor, often removing traditional stabilizers like eggs or gelatin and relying on ingredient chemistry (cocoa butter, butter, and cream) to achieve texture. The channel also provides clear visual cues and step‑by‑step timing, making complex desserts feel accessible.
Last updated: August 29, 2026
