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The Best Easy & Stunning Pumpkin Icebox Cake

A beautiful, layered slice of homemade Spiced Pumpkin Icebox Cake being served as dessert at a festive Thanksgiving dinner.

A festive, layered dessert, this Spiced Pumpkin Icebox Cake features crisp, cinnamon-sugar baked pie crusts alternating with a light and airy pumpkin mousse. The mousse is made by folding pumpkin pie puree into a homemade sweetened whipped cream. The cake is assembled in a plastic-lined cake pan, with layers of the pumpkin cream, baked pie crust rounds, and crumbled crust pieces. After chilling overnight, the cake is inverted, and the sides are decorated with toasted walnuts. It’s finished with a final layer of whipped cream on top.

Ingredients

Scale
  • 3 tablespoons granulated sugar
  • 1 1/4 teaspoons ground cinnamon
  • 1 package refrigerated 9-inch pie crusts (2 dough rounds)
  • 3 tablespoons unsalted butter, melted
  • 2 cups walnuts
  • 3 1/2 cups heavy cream
  • 1 1/2 cups canned pumpkin pie puree
  • 4 tablespoons confectioners’ sugar

Instructions

  1. Preheat the oven to 400°F. Line two baking sheets with parchment paper.
  2. In a small bowl, stir together the granulated sugar and 1 teaspoon of the cinnamon.
  3. Unroll the two pie dough rounds onto the baking sheets. Brush both sides of the dough with the melted butter and sprinkle the tops with the cinnamon-sugar mixture.
  4. Bake for about 15 minutes, rotating the sheets halfway through, until the crusts are light golden brown and crunchy. Let them cool completely.
  5. While the crusts bake, spread the walnuts on another baking sheet and toast for about 8 minutes. Let cool, then finely chop.
  6. Make the Pumpkin Cream: In a large bowl, beat 3 cups of the heavy cream, the pumpkin pie puree, and 3 tablespoons of the confectioners’ sugar with an electric mixer until stiff peaks form (about 5 minutes).
  7. Assemble the Cake: Use a 9-inch round cake pan as a guide to trim both baked dough rounds into 9-inch circles. Reserve the scraps and crumble them into bite-sized pieces.
  8. Line the same cake pan with plastic wrap, leaving a 2-inch overhang on all sides.
  9. Spread one-third of the pumpkin cream mixture on the bottom of the pan. Place one of the baked dough rounds on top.
  10. Top with half of the remaining pumpkin cream, then the crumbled dough scraps.
  11. Finish with the remaining pumpkin cream and the second baked dough round.
  12. Cover tightly with the plastic wrap overhang and refrigerate for 12 hours or overnight.
  13. Decorate and Serve: When ready to serve, unwrap the cake and invert it onto a platter. Remove the pan and plastic wrap. Press the chopped walnuts into the sides of the cake.
  14. Beat the remaining 1/2 cup of heavy cream, 1 tablespoon of confectioners’ sugar, and 1/4 teaspoon of cinnamon until soft peaks form. Spread this mixture on top of the cake.
  15. Cut into slices with a serrated knife to serve.

Notes

  • Special Equipment: A 9-inch round cake pan is required for this recipe.
  • This is an icebox-style cake that requires an overnight chilling period for the layers to set and the crusts to soften slightly.
  • The cake is assembled upside down in a plastic-lined pan, which makes it easy to unmold with clean layers.

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