Name: Raspberry Mousse Brownies
Prep time: 30 min
Cook time: 30 min
Total time: PT-488376H58M21S
Cuisine: American
Ingredients: For the Brownie Base: 1 box dark chocolate fudge brownie mix (plus ingredients required on the package — usually eggs, oil, and water); For the Raspberry Mousse: Fresh raspberries; Gelatin; Whipping cream; Sugar (optional, depending on sweetness of raspberries); For Garnish (optional): Fresh raspberries; Edible flowers; Melted dark chocolate (optional drizzle)

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I love these Raspberry Mousse Brownies because they offer the perfect balance between rich, fudgy chocolate and light, airy fruitiness. The dense brownie base is deeply chocolatey and indulgent, while the raspberry mousse on top adds a refreshing burst of berry flavor and a melt-in-your-mouth texture. Each bite feels like a little celebration of chocolate and fruit combined.

Why You’ll Love This Dessert

This recipe is easy to make thanks to using a dark chocolate fudge brownie mix for the base, paired with fresh raspberries and gelatin to create a smooth, airy mousse. It’s a great way to learn how to make mousse from scratch, and once you master it, you’ll find yourself wanting to add mousse to all kinds of desserts. Raspberry Mousse Brownies

Ingredients

Dark chocolate fudge brownie mix (plus required ingredients for mix)
Fresh raspberries
Gelatin
Whipping cream
Sugar (optional, depending on sweetness of raspberries)

(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)

Directions Overview

Prepare the brownie base according to the package instructions and bake it in your preferred pan. Let it cool completely.
Soften gelatin in water and gently melt it, then combine with fresh raspberry puree.
Whip the cream until stiff peaks form, then fold it gently into the raspberry gelatin mixture to create a smooth, airy mousse.
Spread the raspberry mousse evenly over the cooled brownies and refrigerate until set.
Garnish with fresh raspberries or edible flowers for a beautiful presentation.

Servings and Timing

This recipe typically serves 9 to 12 people, depending on how large you cut the brownies. From start to finish, including chilling time, it takes about 3-4 hours, but most of that is hands-off refrigeration.

Variations

I like trying different fruit mousses with this brownie base—blueberry or strawberry both work wonderfully. You can also use homemade brownies instead of a mix for a fully scratch-made dessert. For a more decadent touch, drizzle melted dark chocolate over the mousse before chilling.

Storage and Reheating

Store the raspberry mousse brownies in the refrigerator, covered, for up to 3 days. Because of the mousse topping, I don’t recommend freezing or reheating these brownies.

FAQs

Can I use frozen raspberries?

Yes, just thaw and strain them well before making the puree to avoid excess liquid.

What if I don’t have gelatin?

You can try using agar-agar as a vegetarian substitute, but be sure to follow the conversion instructions carefully.

Can I make the mousse ahead of time?

Absolutely! The mousse can be prepared a day ahead and refrigerated until ready to assemble.

Is this recipe suitable for kids?

Yes, it’s a family-friendly dessert with no alcohol or strong flavors.

How do I know when the mousse is properly set?

The mousse should be firm to the touch after refrigerating for several hours but still soft and creamy when scooped.

Conclusion

Raspberry Mousse Brownies are a delightful treat that combines the best of rich chocolate and fresh fruit in one elegant dessert. They’re easy enough to make with a boxed brownie base but sophisticated enough to impress guests or celebrate special occasions. Once you try this recipe, I’m confident you’ll want to keep it in your dessert rotation all year round.