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Creamy No-Bake Oreo Mousse Cake topped with whipped cream, crushed Oreo cookies, chocolate shavings, and whole Oreo cookies on a marble cake stand with a sliced piece served on the side.

No-Bake Oreo Mousse Cake

A creamy no-bake dessert made with Oreo cookies, chocolate mousse, and rich cream layers. Perfect for parties, birthdays, and easy make-ahead treats.
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Prep Time 20 minutes
Total Time 20 minutes
Servings: 10 people
Course: Dessert
Cuisine: American
Calories: 450
Ingredients Equipment Method Notes

Ingredients
  

  • Oreo Crust
  • 24 Oreo cookies crushed
  • 4 tbsp melted butter
  • Chocolate Mousse
  • 2 cups heavy whipping cream
  • 8 oz cream cheese softened
  • ½ cup powdered sugar
  • 1 tsp vanilla extract
  • ½ cup melted chocolate
  • Topping
  • 6 crushed Oreos
  • Chocolate shavings
  • Whipped cream

Equipment

  • 1 Springform pan used for assembling cake
  • 2 Mixing Bowls used for crust and mousse
  • 1 Electric mixer used for whipping cream
  • 1 Food processor or rolling pin used for crushing Oreos
  • 1 Rubber Spatula used for folding mixture
  • 1 Measuring Cups used for ingredients
  • 1 Measuring Spoons used for accuracy
  • 1 Microwave-safe bowl used for melting chocolate
  • Refrigerator used for setting cake
  • 1 Sharp Knife used for slicing

Method
 

  1. Crush Oreos and mix with melted butter.
  2. Press into a springform pan to form crust.
  3. Chill for 15 minutes.
  4. Whip heavy cream until soft peaks form.
  5. Beat cream cheese, powdered sugar, vanilla, and melted chocolate.
  6. Fold whipped cream into chocolate mixture.
  7. Spread mousse over Oreo crust.
  8. Smooth the top evenly.
  9. Refrigerate for at least 4–6 hours.
  10. Decorate with crushed Oreos.
  11. Slice and serve chilled.

Notes

Chill the dessert overnight for the best texture and flavor development. Always use cold cream when whipping, as it creates a lighter and fluffier mousse. Be careful not to overmix the mousse, as this can cause it to lose its airy consistency. Finely crushed Oreo crumbs help create a firm and stable base that holds together well. Store the dessert covered in the refrigerator until ready to serve to maintain freshness. For an extra indulgent touch, drizzle additional chocolate sauce over the top before serving.
Tip text Tip textMade this No-Bake Oreo Mousse Cake? Leave a review, share your creation on social media, and tag me! For more easy recipes and food inspiration, follow my Pinterest: Crispy Bowl Recipes.