INGREDIENTS
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3 cups cake flour
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1 1/2 teaspoons baking powder
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1/2 teaspoon salt
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3 large eggs
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1/2 cup fat-free milk
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1/4 cup reduced-fat sour cream
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Grated zest of 1 lemon
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1/2 cup (1 stick) butter, softened
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1/2 cup prepared lemon curd
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1 1/2 cups sugar