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No-bake desserts

No-bake strawberry white chocolate mousse bars

Name: No-bake strawberry white chocolate mousse bars
Yield: 12 servings
Ingredients: 300 g Butter cookies (such as BeBe); 500 g Strawberries; 15 g Gelatin; 100 ml Water (cold); 100 g White chocolate; 200 g Sour cream (16% fat); 250 ml Heavy whipping cream; 1–2 tbsp Powdered sugar (to taste)

Butter cookies topped with strawberries and white chocolate mousse with sour cream and whipped cream, chilled overnight. Makes 12 servings.

Translated from Slovak · October 24, 2026

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Recipe at a glance

Prep time: 30 min
Servings: 12 servings
Difficulty: Easy

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These no-bake strawberry bars have three layers: butter cookies, strawberries, and white chocolate mousse made with gelatin, sour cream, and whipped cream. Pour the mousse over the strawberries while it is still liquid, then refrigerate the bars overnight. Work quickly, as the mousse starts to set within a few minutes. Thick, creamy yogurt can be used instead of sour cream.

Ingredients

12 servings

Base

Butter cookies (such as BeBe) 300 g
Strawberries 500 g

White chocolate mousse

Gelatin 15 g
Water (cold) 100 ml
White chocolate 100 g
Sour cream (16% fat) 200 g
Heavy whipping cream 250 ml
Powdered sugar (to taste) 1–2 tbsp

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Instructions

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Bloom the gelatin
Pour 100 ml cold water over the gelatin and let it bloom for at least 30 minutes.
Layer the cookies and strawberries
Line the bottom of a small baking pan or dish, about 20 × 30 cm, with parchment paper. Arrange the cookies snugly side by side on the paper. Wash and hull the strawberries, cut the larger ones in half, and arrange them over the cookies.
Make the mousse
Whip the heavy cream to stiff peaks and refrigerate. Melt the chocolate in a bowl set over steaming water. Gently heat the bloomed gelatin until liquid (do not let it boil), then beat it into the warm chocolate with an electric mixer. Mix in the sour cream, powdered sugar to taste, and finally the whipped cream. Beat briefly until smooth.
Chill until set
Immediately pour the mousse over the strawberries and smooth the top. Refrigerate overnight until set, then cut into bars with a sharp knife.

Tip: Let the sour cream come to room temperature before you begin; cold sour cream would cause the chocolate and gelatin mixture to form lumps.

Nutrition facts

Approximate values per serving, calculated from the ingredients

Energy: 280 kcal
Protein: 4.4 g
Carbohydrates: 28 g
of which sugars: 14 g
Fat: 17 g
of which saturates: 11 g
Fiber: 1.1 g
Salt: 0.2 g

Calculated from the raw ingredients, without frying oil. Where an amount is “to taste”, typical amounts are used. Food composition: USDA FoodData Central and product labels.

This recipe was translated from the Slovak original: Nepečené jahodové rezy s penou z bielej čokolády