Raspberry mousse

Name: Raspberry mousse
Prep time: 7 min
Cook time: 14 min
Total time: 21 min
Yield: 4 servings
Cuisine: Polish
Ingredients: 2 Gelatine Leafs; 350g Raspberries; 60g Caster Sugar; Juice of 1 Lemon; 500ml Whipping Cream

By The Spice & Simmer Kitchen · Published May 3, 2026

A one-pot Dessert recipe with Polish flavors, built for busy weeknights when you want real food without a sink full of dishes. Comes together in roughly 33 minutes, serves about 4, and uses ingredients you can find at any normal grocery store. The technique is simple: build a base in your pot, layer in the main ingredients, simmer until everything has had time to talk to each other, and serve straight from the pan. If you're cooking for picky eaters, this one tends to land — the flavors are recognizable, the texture is comforting, and there's nothing weird hiding in the ingredient list. Perfect for the kind of evening where you want dinner on the table by 7pm and the kitchen empty by 7:30.

Step-by-step instructions

Put the gelatine leaves in a bowl, cover with warm water and leave to soak for 5 mins. Drain and squeeze out any excess water.
Tip the raspberries into a pan over a medium-low heat along with the sugar and lemon juice. Cook for 5-6 mins until the berries have completely broken down. Push the mixture through a sieve set over a bowl, discarding the seeds. Stir in the gelatine leaves until dissolved (if they don’t dissolve, pour the mixture into a clean saucepan and heat gently until dissolved). Set aside to cool for 15 mins.
Whip the cream to soft peaks using an electric whisk, then gently fold this into the raspberry mixture. Spoon into the ramekins or moulds and chill overnight, or for at least 6 hrs. Serve with raspberries scattered over the top.

Why this works on a weeknight

Raspberry mousse genuinely fits a 30-minute weeknight window, which is why it earned a spot in our Sweet Finishes collection. The technique is forgiving, the ingredient list is grocery-store standard, and the active cooking time is short enough that you can answer a text message in the middle without ruining dinner.

Cleanup notes

This is a single-pan recipe, so the cleanup is exactly one pan, one cutting board, and one knife. While the dish rests, fill the pan with hot soapy water — by the time you are done eating, the residue lifts off with a single pass of a sponge. Skip the steel wool on cast iron; a stiff brush and warm water are all you need to keep the seasoning intact.

Make-ahead and leftovers

Leftovers keep covered in the fridge for up to three days. Reheat in a dry pan over medium-low with a splash of water or stock to loosen the sauce. Raspberry mousse actually improves overnight as the flavors keep talking to each other, so doubling the recipe and packing tomorrow's lunch is a high-leverage weeknight move.

Filed under 🍮 Sweet Finishes Dessert Polish ⚡ 30-Min Dinner