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Buttermilk Blueberry Puff
Total 50 mins, includes cooling time
Active 15 mins
Makes 12 servings
Ingredients
    • 12 tablespoons (1 1/2 sticks) unsalted butter, at room temperature, plus 1 tablespoon for the baking dish
    • 12 cups cubed croissants (6 to 8 large)
    • 3 cups blueberries or blackberries
    • 1 cup granulated sugar
    • 6 large eggs, at room temperature
    • 2 cups heavy cream
    • 1 cup buttermilk
    • 2 tablespoons pure vanilla extract
    • 1 teaspoon kosher salt
    • 1 tablespoon coarse raw (turbinado) sugar
Directions
  1. Preheat the oven to 375°F. Grease a 9 x 13 x 3-inch (deep) baking dish with the 1 tablespoon butter.
  2. Spread the croissant cubes evenly in the dish. Top with the berries.
  3. In a stand mixer fitted with the paddle attachment (or in a large bowl with a handheld electric mixer), beat the 12 tablespoons butter with the granulated sugar on medium speed until creamy. Beat in the eggs, one at a time, beating well after each addition. Beat in the cream, buttermilk, vanilla, and salt (the mixture may appear curdled).
  4. Pour over the croissants and berries in the baking dish. Sprinkle with the coarse sugar.
  5. Bake until a knife inserted near the center comes out clean, about 35 minutes. Serve warm.
  6. The puff is best eaten warm, soon after baking, but leftovers can be covered and stored in the refrigerator for up to 2 days.