"A great way to use leftover puff pastry!..."
INGREDIENTS
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1 tablespoon granulated sugar
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1 teaspoon table salt
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1/3 cup water
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2 sticks unsalted butter (cold, cut into 1/2-inch cubes)
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2 1/4 cups all-purpose flour (plus more for dusting)
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1/2 cup light brown sugar
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1 cup almond flour
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1 teaspoon Kosher salt
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1 teaspoon ground cardamom
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1 stick unsalted butter
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1 teaspoon almond extract
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1 egg white
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1 cup slivered almonds (to garnish)
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1/2 cup confectioner's sugar