
A sublime Blackberry Mousse that captures summer's magic in every spoonful. This fluffy treat blends fresh blackberry puree with whipped cream, creating a delightfully airy texture. Its rich purple color and juicy berry taste make it a fancy ending to any dinner.
Whenever I whip up this mousse, I think about gathering wild blackberries with my grandma. She always said you should pick the berries that almost drop into your palm without pulling - that's a must-know trick for getting this dessert just right.
Essential Components
- Plump Blackberries: Go for juicy, dark ones
- Heavy Whipping Cream (36%): Kept ice-cold
- Real Vanilla Extract: Skip the fake stuff
- Confectioners' Sugar: Run through a sieve first
- Squeezed Lemon Juice: Adds zing
- Fresh Mint Sprigs: For topping
- Tiny Bit of Salt: Makes berries taste better
Making It Step By Step
- 1. Turning Berries Into Puree:
- Let berries warm to room temp for best taste. Blend them completely in your food processor or blender. Push through a fine strainer, pressing gently to get all juice while keeping seeds out. Mix in some lemon juice and put aside.
- 2. Whipping Up The Cream:
- With a cold bowl and mixer, beat the cream until it forms soft peaks. Slowly add the strained sugar and vanilla. Keep beating until stiff peaks show up - when you lift the beaters, the cream should stand up tall.
- 3. Mixing It Together:
- Put about a third of your whipped cream into the berry mixture, folding carefully to lighten it up. Then pour this lighter mixture back into the main bowl of cream. Use a big spatula and gentle up-and-over motions to keep everything fluffy.
- 4. Letting It Set:
- Spoon your mousse into serving cups, leaving space at the top for decorations. Tap cups lightly to pop any air bubbles. Cover the surface directly with plastic wrap to keep it fresh. Chill at least 2 hours in the fridge.
- 5. Adding Final Touches:
- Right before you serve, top with whole berries, mint leaves, and maybe some chocolate curls. For fancy events, try adding edible flowers or a touch of gold leaf.

The trick to amazing mousse is taking your time and watching the temperature. My grandma always told me, "Think of whipped cream like holding a little cloud - mess with it too much and it'll just vanish."

This Blackberry Mousse brings summer luxury to your table. Served in fancy glasses or cute little jars, it always wows friends with its cloud-like softness and bright, fresh flavor.
Keeping Fresh and Planning Ahead
You can make this mousse a full day before you need it, which is super handy for parties. Keep it in containers with plastic wrap touching the surface so it doesn't form a skin. Cover each portion separately if making individual servings. While it'll stay good for up to three days, you'll get the best combo of firmness and fluffiness during the first two days.
Weather Changes and Seasonal Twists
In summer months, I've found that cooling the serving glasses first helps the mousse stay firmer during serving time. When it's cold outside, I like adding a tiny sprinkle of cardamom or cinnamon to bring some warmth to the flavor. You can swap in any berries that look good at the market, though blackberries remain my top pick because of their deep color and rich taste.

Serving Ideas and Food Friends
This mousse works in so many settings. Try layering it with crushed amaretti cookies for a nice crunch, or serve with thin shortbread cookies for afternoon tea. At dinner parties, I sometimes make small portions with different berries so guests can try various flavors side by side. Just remember to keep servings small, around 4 ounces each, since it's richer than it looks.
Frequently Asked Questions
- → Can I swap fresh blackberries for frozen ones?
- Sure, frozen blackberries work fine. Just make sure to thaw them and drain off any extra water before cooking.
- → What can I use if I'm out of heavy whipping cream?
- Try coconut cream instead for a dairy-free option, but know the texture might be a bit different.
- → How long will this mousse keep?
- It'll stay good in your fridge for about 3 days.
- → Is it okay to freeze this mousse?
- I don't recommend freezing it - the texture won't be right after thawing. It's best eaten fresh.
- → Can I make this vegan?
- The recipe isn't vegan as written, but you can use coconut cream instead of dairy cream and pick your favorite vegan sweeteners.