Every host needs a few reliable desserts that always deliver. This pistachio mousse layered over rich chocolate ganache has earned its place on my shortlist. I call it my quiet showstopper. No towering layers, no complicated assembly, but every spoonful feels like a small, personal luxury.
The combination of fluffy pistachio cream and dense chocolate ganache satisfies two cravings at once. You get lightness and richness side by side. And because each portion is served in an individual glass, the presentation feels elegant without adding stress.

Why This Pistachio Mousse Stands Apart

I’ve worked through many pistachio dessert recipes, but this one offers something that feels different. Most pistachio mousse recipes rely heavily on gelatin or egg-based custards. I prefer this method using mascarpone and whipped cream. It creates a natural creaminess without requiring stabilizers.
The mascarpone lends body, while the whipped cream gives the mousse its airy structure. Blending pistachios directly into the base gives a strong, authentic nut flavor without artificial extracts. The ganache adds that deep cocoa balance, so neither layer overpowers.
How To Prepare the Chocolate Ganache Layer

Start with good-quality dark chocolate. I stick with 60 to 70 percent cocoa, which provides enough bitterness to balance the sweet pistachio cream.
The cream needs to be hot, but not boiling. Once it reaches a soft simmer, pour it over the chopped chocolate. Letting it sit undisturbed for a minute allows the heat to soften the chocolate fully.
Once you stir, a smooth, glossy ganache forms almost immediately. At this stage, I often stir in a small pat of butter. That optional step gives the ganache a polished shine and silkier finish.

Spoon the ganache into individual glasses and chill. This step allows the ganache to firm up slightly so the mousse sits cleanly on top.
For a deeper dive into making silky ganache, you can follow my detailed chocolate ganache recipe here, which I also use in many of my other pistachio desserts.
Pistachio Paste: The Core of The Mousse

For a vibrant mousse pistache color, I often blanch the pistachios first. Boiling them briefly loosens the skins. Once peeled, the brighter green color emerges.
In a food processor, pulse the peeled pistachios with sugar, salt, and vanilla extract. The mixture transforms into a thick paste. Sometimes, I add a teaspoon of cream to help it turn smooth.

This homemade pistachio filling tastes richer and fresher than store-bought versions. It works beautifully not only in this mousse but also as a pistachio cream for Dubai chocolate, croissants, or even Pistachio Chocolate Swirl Cake Squares.
Whipping and Folding the Mousse
Whip cold heavy cream to soft peaks. The cream should hold its shape but still look smooth. In a separate bowl, beat the mascarpone until soft and creamy.
Fold the pistachio paste into the mascarpone until fully combined. Once blended, fold in the whipped cream in two stages. This gradual folding keeps the mousse light and prevents deflation.
Avoid overmixing. Once you reach a uniform texture, stop. Overworking can cause the mousse to lose its delicate structure.
One Small Choice That Changes Texture
In my recipe notes, I’ve tested both mascarpone and cream cheese. Mascarpone creates a smoother, silkier mousse. Cream cheese gives a slight tang and firmer texture. For this dessert, I prefer mascarpone because it keeps the mousse light and emphasizes the pistachio flavor.
If you prefer a thicker, cheesecake-style consistency, cream cheese can work. But for the layered contrast with ganache, mascarpone remains my choice.
Assembling The Layers and Setting the Mousse
Once the ganache layer has chilled, spoon or pipe the pistachio mousse on top. Work slowly to avoid disturbing the ganache. A piping bag gives more control, but a spoon works well with care.
Smooth the tops, cover the glasses loosely, and refrigerate for at least two hours. This resting time allows the mousse to firm up while keeping its airy texture.
Serving and Presentation Ideas
Before serving, I garnish with chopped roasted pistachios and chocolate curls. Sometimes I add a tiny dusting of edible gold or a few sea salt flakes for contrast.
Because these are individually portioned, they work beautifully for dinner parties, bridal showers, or holiday gatherings. The presentation looks elevated without being fussy.
You might also enjoy pairing them with Pistachio Chocolate Truffles or Pistachio Chocolate Croissants for a pistachio-themed dessert table.
Storage Tips and Make-Ahead Notes
This pistachio cream dessert keeps well in the refrigerator for up to two days. Cover the glasses gently with plastic wrap to prevent surface drying.
Avoid freezing. The mousse texture can suffer from ice crystal formation. Always serve chilled directly from refrigeration.
Related Pistachio Dessert Recipes You Can Try Next
For more variations on pistachio and chocolate, explore my Pistachio Chocolate Sandwich Cookies or the elegant Pistachio Chocolate Choux Buns. Each one highlights pistachio cream in different textures and formats.
You can also adapt this mousse into a full Pistachio Mousse Cake or layer it into a Pistachio Tiramisu Recipe for another stunning presentation.

Let’s Connect
Save this pistachio mousse with chocolate ganache to your Pinterest board for your next gathering.
If you try it, share your thoughts and results in the comments. I love hearing your questions, adjustments, and ideas.
Pistachio Mousse with Chocolate Ganache
A smooth pistachio mousse layered over rich chocolate ganache creates a contrast of textures and flavors in this elegant, naturally gluten-free dessert. The mousse is fluffy and nutty, the ganache is dense and silky, and both layers come together beautifully in individual glasses. Each spoonful offers a balanced bite that’s both creamy and rich.
Ingredients
- FOR THE CHOCOLATE GANACHE
- 200g (7 oz) dark chocolate (60–70% cocoa), chopped
- 200ml (¾ cup + 1 tbsp) heavy cream
- 1 tbsp unsalted butter (optional, for extra shine)`
- FOR THE PISTACHIO MOUSSE
- 150g (1 ¼ cups) shelled pistachios (unsalted)
- 3 tbsp granulated sugar
- 1 tsp pure vanilla extract
- 250ml (1 cup) heavy cream, cold
- 100g (½ cup) mascarpone cheese or cream cheese, softened
- A pinch of salt
- GARNISH (OPTIONAL)
- Chopped roasted pistachios
- Chocolate curls or shavings
- Edible gold dust or sea salt flakes
Instructions
- MAKE THE CHOCOLATE GANACHE: Heat the heavy cream in a small saucepan over medium heat until it just begins to simmer without boiling. Remove from heat and immediately pour over the chopped chocolate in a heatproof bowl. Let sit for 1 minute, then stir until fully melted and glossy. Stir in butter if using, then spoon the ganache evenly into the bottom of 6 small serving glasses, filling each about one-quarter full. Place the glasses in the refrigerator to chill while you make the mousse.
- PREPARE THE PISTACHIO BASE: Optional for color—blanch the pistachios by boiling them for 1 minute, then transferring them to ice water. Peel off the skins to reveal a brighter green hue. Add the pistachios to a food processor along with the sugar, salt, and vanilla extract. Blend until a smooth, thick paste forms, adding a teaspoon of water or cream only if needed to help it blend.
- WHIP THE MOUSSE: In a cold mixing bowl, whip the heavy cream using a hand mixer or stand mixer until soft peaks form. In a separate bowl, beat the mascarpone cheese until smooth and creamy. Fold the pistachio paste into the mascarpone until fully combined, then gently fold in the whipped cream in two additions. Stir just until the mixture is light and uniform—do not overmix.
- ASSEMBLE AND CHILL: Transfer the pistachio mousse to a piping bag or use a spoon to carefully layer it on top of the chilled ganache in each glass. Smooth the tops, cover loosely, and refrigerate for at least 2 hours until set and well-chilled.
- GARNISH AND SERVE: Just before serving, garnish each mousse with chopped roasted pistachios, chocolate shavings, and a touch of gold dust or sea salt flakes if desired. Serve chilled.
Notes
Blanching the pistachios is optional but enhances the mousse's natural green color. For best texture, assemble the dessert at least 2 hours in advance and keep refrigerated until ready to serve.
Nutrition Information
Yield
6Serving Size
1Amount Per Serving Calories 192Total Fat 13gSaturated Fat 8gTrans Fat 0gUnsaturated Fat 4gCholesterol 69mgSodium 184mgCarbohydrates 15gFiber 0gSugar 14gProtein 3g
