No-bake raspberry mousse cake with a biscuit crust, creamy cream cheese mousse studded with fresh raspberries, and a smooth homemade raspberry jelly top. Easy and make-ahead.
A no-bake raspberry mousse cake with a biscuit crust, a creamy cream cheese mousse studded with fresh raspberries, and a smooth homemade raspberry jelly top. Make-ahead and travel-friendly.
Homemade Raspberry Mousse Cake
I made this no bake raspberry mousse cake for my daughter’s 7th birthday — in my own kitchen, not a bakery.
Store-bought cakes are expensive, and I’d rather take that money and put it toward something that matters, then make the cake myself.
So I packed it up and we took it to Greece to celebrate, and it held together beautifully the whole way.
Here’s what you get: a buttery biscuit crust, a soft cream cheese mousse with whole fresh raspberries set right through it, and a smooth raspberry jelly on top.
No oven required if you don’t want it — the crust can be baked or simply chilled.
For the jelly, I skipped the boxed mix and used raspberries I had in the freezer.
We don’t get raspberry Jell-O in Bulgaria, but honestly it’s no big philosophy to make it yourself — cook the berries down with a little sugar, water, and lemon juice, strain out the seeds, and set it with gelatin.
It comes out smooth and glossy, with no whole berries in that top layer, just clean raspberry flavor. It looks like it came from a pastry shop, but every part of it is doable at home.
The mousse is set with gelatin and sweetened with condensed milk, so it stays light instead of heavy. And because the top is just raspberry jelly, you can swap in any fruit you like.
How to make raspberry mousse cake
Make the crust (bake it or chill it). Mix the biscuit or graham cracker crumbs with the sugar and melted butter, then press firmly into the bottom of a 10-inch springform pan.
To bake: 350°F for 10 minutes, then cool completely.
To skip the oven: just chill it 15–20 minutes until firm. Both work — chilling is what makes this a fully no-bake cake.
Make the mousse. Heat the milk until lukewarm, sprinkle the gelatin over it, and whisk to dissolve. Let it stand 20 minutes — no clumps; strain if you need to.
Beat the cream cheese and condensed milk until smooth. In a clean bowl, whip the heavy cream and sugar to stiff peaks, then add the cream cheese mixture on low speed. Fold in the cooled milk-and-gelatin mixture.
Add the raspberry layer. Pour half the mousse over the crust and smooth it.
Scatter the fresh raspberries evenly over that layer, then pour the remaining half of the mousse on top and smooth it again.
Chill for 2 hours, until fully set, before adding the jelly.
Make the homemade raspberry jelly. Cook the frozen raspberries with the sugar, water, and lemon juice until soft, 5–7 minutes.
Strain through a fine sieve to remove all the seeds. Stir the bloomed gelatin into the warm (not boiling) strained liquid until fully dissolved, then let it cool about 15 minutes.
Pour gently over the set mousse, over the back of a spoon, until it reaches the rim. Refrigerate a few hours until fully set.
Tips for the best raspberry mousse cake
I line the walls of my springform pan with an acetate cake collar (a clear acetate strip) before I start. It gives the cake clean, smooth sides and makes it so easy to lift out — no knife around the edge, no sticking.
Bloom the gelatin in lukewarm milk, not hot — hot milk makes it clump. Let it stand the full 20 minutes and strain any lumps.
Let the mousse set fully before you add the jelly (about 2 hours) so the top doesn’t sink in.
Strain the cooked raspberries well — the top should be smooth and glossy, no seeds.
Cool the jelly before pouring and pour slowly over the back of a spoon so it doesn’t dent the mousse.
To release it cleanly, run a thin knife around the rim or wrap the pan with a warm towel for a minute before opening the springform.
Mousse Cake Variations
Gluten-free — use gluten-free biscuits or graham crumbs.
Bake or chill the crust — your choice; chill it if you don’t want to turn the oven on.
Biscuits or graham crackers — butter biscuits (what I use in Europe) or graham crackers both work.
Use boxed Jell-O if you have it — if you can find raspberry Jell-O, you can use it for the top instead of the homemade jelly. The from-scratch version just tastes fresher and less sweet.
Change the fruit — strawberry, peach, or mixed berry all work.
Lighter — use Neufchâtel or light cream cheese.
Notes
- Crust can be baked (350°F, 10 min) or simply chilled 15–20 minutes.
- Line the springform walls with an acetate collar for clean sides and easy release.
- Bloom gelatin in lukewarm (not hot) liquid, rest 20 minutes, and strain any lumps.
- Chill the mousse 2 hours before adding the jelly so the layers stay separate.
- Strain the cooked raspberries well for a smooth, seed-free jelly top.
- Make ahead up to 1 day; keeps 3 days refrigerated.
No Bake Raspberry Mousse Cake FAQ
Can I make raspberry mousse cake ahead of time?
Yes — it’s a great make-ahead cake, which is exactly why I trusted it to travel for my daughter’s birthday. Assemble it a day in advance and keep it covered in the fridge; the layers firm up overnight and slice cleaner. Add any fresh raspberry garnish just before serving. It keeps well up to 3 days refrigerated.
Do I have to bake the crust?
No. Baking makes it a touch firmer, but you can skip the oven completely — press the crust in and chill it for 15–20 minutes before adding the mousse. That makes the whole cake no-bake, perfect for hot days and small kitchens.
Can I make the raspberry jelly without boxed Jell-O?
Yes, and I prefer it this way. Cook frozen raspberries with a little sugar, water, and lemon juice, strain out the seeds, then set the smooth liquid with a little gelatin. It tastes fresher and less sweet than the boxed mix, and you don’t need to track down Jell-O at the store.
Why didn’t my mousse set?
Almost always the gelatin. Bloom it in lukewarm — not hot — milk, let it stand the full 20 minutes, and strain out any lumps before folding. Measure it exactly, and give the mousse a full 2 hours in the fridge before adding the jelly on top.
What pan size is best?
A 10-inch springform is safest so all the layers fit with room for the jelly on top. A 9-inch works but fills closer to the rim, so pour the jelly slowly and you may not need all of it. Always use a springform so you can release the sides cleanly.
Can I freeze it?
You can, though the jelly may weep a little once thawed. Freeze it without any fresh garnish, well wrapped, for up to 1 month, and thaw it overnight in the fridge rather than on the counter. The texture is best fresh, so I only freeze it when I really need to.
