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Pumpkin Mousse Trifle

A delightful layered dessert featuring light pumpkin mousse, buttery shortbread crumbs, and toasted pumpkin seeds, finished with a sweetened sour cream topping. This elegant trifle combines classic fall spices with varying textures for a perfect seasonal treat.

4 servings
35 min
Published October 4, 2025

Ingredients

  • •1 spray Vegetable oil cooking spray
  • •1 tablespoon pumpkin seeds
  • •1 cup canned pumpkin
  • •⅛ teaspoon cinnamon
  • •⅛ teaspoon ground nutmeg
  • •⅛ teaspoon ground cloves
  • •2 whole egg whites
  • •½ cup sugar
  • •¼ cup reduced-fat sour cream
  • •8 whole shortbread cookies

Cooking Instructions

  1. 1.

    Heat oven to 325°F. Coat a baking sheet with cooking spray. Spread pumpkin seeds evenly on sheet; bake until golden, stirring once, about 25 minutes. In a bowl, mix pumpkin, cinnamon, nutmeg and cloves until smooth. In a second bowl, whip egg whites with an electric mixer until soft peaks form; add 1/2 cup sugar and whip until stiff peaks of meringue form. Gently fold pumpkin mixture into meringue until just combined. In a third bowl, combine sour cream and remaining 1 tablespoon sugar. In a food processor, pulse cookies into fine crumbs. In each of four 5-ounce glasses, divide and layer half of shortbread crumbs and half of pumpkin mousse; repeat layers. Top each with 1 tablespoon sweetened sour cream and sprinkle with pumpkin seeds; serve immediately.

    35 min

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