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Plum Cake with Hazelnut Brittle and Honey Mascarpone
© Zubin Schroff

Plum Cake with Hazelnut Brittle and Honey Mascarpone

  • ACTIVE: 1 HR
  • TOTAL TIME: 2 HRS
  • SERVINGS: 10
  • MAKE-AHEAD

Peter Hoffman likes using purple plums, a.k.a. Italian prune plums, for this lightly spiced cake because they bake so well; the flavors intensify, but the plums don't become mushy. The garnishes are what make this cake so unforgettable: light and luscious, honey-spiked mascarpone cream and a sprinkling of chopped nut brittle.

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Cake

  1. 2 pounds plums—halved, pitted and cut into 1-inch pieces
  2. 1/2 cup plus 2 tablespoons turbinado sugar
  3. 1 tablespoon fresh lemon juice
  4. 2 cups all-purpose flour
  5. 2 teaspoons baking powder
  6. 1/2 teaspoon salt
  7. 1/2 teaspoon ground cinnamon
  8. 1/4 teaspoon ground cardamom
  9. 6 tablespoons cold unsalted butter, cut into cubes
  10. 2 large eggs, lightly beaten
  11. 1 teaspoon pure vanilla extract
  12. 3/4 cup milk

Honey Mascarpone

  1. 1 cup heavy cream
  2. 1/4 cup honey
  3. 1 cup mascarpone (8 ounces)
  4. Hazelnut Brittle
  1. Preheat the oven to 325°; butter a 10-inch cast-iron skillet. In a bowl, toss the plums with 2 tablespoons of the sugar and the lemon juice.
  2. In a food processor, pulse the flour with the baking powder, salt, cinnamon, cardamom and the remaining 1/2 cup of sugar. Add the butter and process until finely chopped. Add the eggs and vanilla and process until incorporated. With the processor on, gradually add the milk in a thin stream and process until the batter is smooth. Add the batter to the plums, gently folding them in.
  3. Transfer the batter to the prepared skillet and smooth the surface. Bake the cake for about 1 hour, until the top is golden and a toothpick inserted in the center comes out clean. Let cool in the pan.
  4. In a medium bowl, beat the heavy cream with the honey at medium-high speed until softly whipped. Beat in the mascarpone at medium-low speed.
  5. In a food processor, pulse the Hazelnut Brittle until coarsely chopped.
  6. Cut the cake into wedges and transfer to plates. Spoon a dollop of the honey mascarpone on top, sprinkle with the chopped nut brittle and serve.
Make Ahead The baked plum cake can be covered and stored at room temperature or refrigerated overnight. Serve chilled or at room temperature.