INGREDIENTS
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½ cup plus 5 tablespoons unsalted butter
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1 cup sliced almonds or 1 cup ground almonds (almond flour)
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½ cup all-purpose flour
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1½ cups plus 2 tablespoons powdered sugar
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5 large egg whites, at room temperature
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2 tablespoons honey
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nonstick vegetable spray or mini muffin liners
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2 cups fresh (or frozen, thawed) blackberries, halved