INGREDIENTS
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1/2 pound (2 sticks) unsalted butter plus 1 tablespoon, at room temperature
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1 1/2 cups plus 1 tablespoon cake flour
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2 tablespoons lemon zest
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1 1/4 cups sugar
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4 large eggs
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2 tablespoons fresh lemon juice
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1 teaspoon baking powder
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1/4 teaspoon salt
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1/2 cup sour cream
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Lemon Glaze