INGREDIENTS
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Dough:
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3 cups all-purpose flour
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1 tablespoon granulated sugar
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2 1/4 teaspoons instant (rapid-rise) yeast
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3/4 teaspoon salt
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1 1/2 cups unsalted butter, cut into 1/4-inch-thick slices and chilled
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1 cup sour cream, chilled
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1/4 cup fresh squeezed orange juice, chilled
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3 tablespoons ice water
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1 egg yolk
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3 tablespoons unsalted butter, softened (for the muffin pan)
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Filling:
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1/2 cup granulated sugar
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1/2 cup dark brown sugar
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1 tablespoon grated orange zest
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2 teaspoons ground cinnamon
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3/4 teaspoon ground cardamom (optional)
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1 teaspoon vanilla extract
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Dusting:
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3/4 cup superfine sugar, (for rolling in)