Brownie Mousse Cake

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Brownie Mousse Cake! Decadent flourless fudgy brownie on the bottom with fluffy two-ingredient chocolate mousse on top – vegan and paleo!


Answer: To discover the yummiest possible configuration for cramming this much chocolate on chocolate on decadence chocolate into a 7-inch diameter springform pan.

If the question had been: Why did you make a Brownie Mousse Cake?

But I guess it would’ve been a rhetorical question anyways. Because BROWNIE MOUSSE CAKE. A dessert made up of three different glorious chocolate desserts but all in one, all making each other shine, all saying I see you and I want to make you even better. That needs no explanation. That’s as good and pure as the world gets.

You’ve tried Hu Gems by now, yes? Because I know you love chocolate and I know you have good tastes and I KNOW that Gems are the best of the best that chocolate chunks/chips can be. I’ve eaten my way through enough bags of Gems by now to be classified as a Gem expert, so this is facts.

And because they are made of just three organic high-quality ingredients, no other chips are really even on their level. But don’t take my word for it, one hexagon and you will taste that truth. Honestly they’ve ruined me for other chocolate, but it’s fine.

This cake is essentially just Gems dressed up in their finest cake costume. Gems stirred into the brownie. Gems melted in the mousse. Gems on top. If we’re being honest this cake tastes like one giant Gem, just a little larger, more shareable, and with more texture variation.

Rich, chewy, fudgier-than-cake-but-fluffier-than-brownie brownie perfectly complimented with smooooooooooth, dreamy, magically easy mousse. Oh yes, we like texture contrast.

So here’s what’s happening:

  1. A fudgy – but not excessively gooey, it has structure, it is in touch with it’s cakey side – flourless brownie batter gets baked into cake form. And then you gotta let it cool. Completely. And NOT slice and sample a bite. I recommend the out of sight, out of mind, shove it in the freezer method.
  2. Next comes the mousse part, my favorite part. The part where we melt Gems with coconut milk and it cools/thickens/transforms into something spectacular.
  3. Top with Gems. Top with berries. Top with coconut or hazelnuts or nothing at all.
  4. Fridge (not freezer, it’ll ruin the creaminess of the mousse) overnight.
  5. EAT.

That first bite moment – it’s a MOMENT. The chewy, deeply decadent brownie mingling with fluffy like-frosting-but-better mousse plus a little snap from that hunk of chilly chocolate on top mmmmm!

All three elements could be their own delicious dessert, but collaboration is where the real magic happens.


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Brownie Mousse Cake

5 from 15 reviews

  • Author: Natalie
  • Prep Time: 2 hours
  • Cook Time: 25 minutes
  • Total Time: 2 hours 25 minutes
  • Yield: 8 slices 1x
  • Category: cake
  • Method: baking
  • Cuisine: american

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Brownie Mousse Cake! Decadent flourless fudgy brownie on the bottom with fluffy two-ingredient chocolate mousse on top – vegan and paleo!



Brownie Cake

  • 1 cup (200g) medjool dates, pitted
  • 1/2 cup (120g) nondairy milk
  • 1/2 cup (125g) almond butter (or any nut/seed butter)
  • 1 tsp vanilla extract
  • 1/2 cup (50g) cacao powder
  • 1/2 tsp baking soda
  • 1/4 tsp salt
  • 1/2 cup (90g) Hu Gems


  1. 1 cup (180g) Hu Gems
  2. 1 15oz can full-fat coconut milk, shaken


  1. Preheat the oven to 350ºF.
  2. Blend the medjool dates, nondairy milk, almond butter, and vanilla.
  3. Transfer to a bowl. Add the cacao powder, baking soda, and salt. Stir to combine.
  4. Fold in the Hu Gems.
  5. Transfer to a springform pan (7 inch). Bake for 25 minutes at 350ºF.
  6. Cool completely.
  7. For the mousse, melt together the Hu Gems and coconut milk in a bowl. Whisk until smooth.
  8. Refrigerate until thick but not fully set (about 1-2 hours).
  9. Spread mousse on top of the cooled brownie cake.
  10. Refrigerate overnight.
  11. Slice and serve chilled. Keep leftovers covered in the fridge for up to a week.


  • Serving Size: 1 slice
  • Calories: 500
  • Sugar: 27g
  • Fat: 37g
  • Saturated Fat: 18g
  • Carbohydrates: 44g
  • Fiber: 8g
  • Protein: 8g

Keywords: chocolate, mousse, paleo, vegan, gluten free, coconut milk, flourless, dessert, egg free, dairy free

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