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No bake pumpkin pie mousse slice served on plate

No Bake Pumpkin Pie Mousse


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  • Author: Isabella Martinez
  • Total Time: 6 hours 30 minutes
  • Yield: 12 servings 1x
  • Diet: Vegetarian

Description

This No Bake Pumpkin Pie Mousse is light, fluffy, and packed with cozy fall spices — all without touching your oven. It’s the perfect make-ahead dessert for Thanksgiving or any autumn gathering.


Ingredients

Scale

For the Biscoff Cookie Crust:

  • 1 (8.8 oz / 250g) package Biscoff or Speculoos cookies
  • 7 tablespoons (99g) unsalted butter, melted

For the Pumpkin Mousse Filling:

  • 1 cup (237ml) heavy whipping cream, cold
  • 4 oz (113g) cream cheese, softened
  • ¼ cup (50g) light brown sugar
  • ½ cup (122g) pumpkin purée (not pumpkin pie filling!)
  • 1 teaspoon vanilla extract
  • ½ teaspoon ground cinnamon
  • ⅛ teaspoon ground nutmeg
  • ⅛ teaspoon ground cloves
  • ⅛ teaspoon ground ginger

For the Whipped Cream Topping:

  • 1 cup (237ml) heavy whipping cream, cold
  • 3 tablespoons (23g) powdered sugar, sifted
  • 1 teaspoon vanilla extract
  • 1 teaspoon ground cinnamon (optional, for garnish)

Instructions

Step 1: Make the Cookie Crust

  1. Spray a 9-inch pie dish lightly with nonstick spray.

  2. In a food processor, pulse the cookies into fine crumbs.

  3. Add the melted butter and pulse until fully moistened.

  4. Press the crumb mixture firmly into the bottom and up the sides of the pie dish.

  5. Place in the fridge while you make the mousse.

Step 2: Whip the Cream

  1. In a large bowl, beat 1 cup of cold heavy whipping cream to stiff peaks.

  2. Set aside — this will be folded into your mousse base.

Step 3: Make the Pumpkin Cream Cheese Base

  1. In a separate bowl, beat softened cream cheese until smooth.

  2. Add in brown sugar, pumpkin purée, vanilla, and spices.

  3. Beat until fully smooth, scraping the sides and bottom as needed.

Step 4: Fold Gently

  1. Gently fold the whipped cream into the pumpkin mixture.

  2. Use a rubber spatula to fold in small batches, preserving the airiness of the mousse.

Step 5: Chill to Set

  1. Pour the mousse into the prepared crust.

  2. Smooth the top with a spatula.

  3. Cover with plastic wrap and chill for at least 6 hours, or overnight.

Step 6: Make the Whipped Cream & Serve

  1. Just before serving, beat together the remaining cream, powdered sugar, vanilla, and cinnamon.

  2. Spread over the mousse or pipe decoratively.

  3. Garnish with more cinnamon or crushed cookies if desired.

Notes

  • Fridge: Store covered for up to 2 days before topping with whipped cream.
  • Freezer: Freeze without topping for up to 1 month. Thaw overnight in fridge before topping.
  • Prep Time: 30 minutes
  • Chill Time: 6 hours
  • Category: Dessert
  • Method: No Bake
  • Cuisine: American

Nutrition

  • Serving Size: Per Serving
  • Calories: 310 kcal
  • Sugar: 13g
  • Sodium: 130mg
  • Fat: 23g
  • Carbohydrates: 22g
  • Fiber: 1g
  • Protein: 3g
  • Cholesterol: 75mg