"Tender, just sweet enough, with a bit of tang, this cake is perfect with fresh berries...."
INGREDIENTS
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1 1 cup (16 tablespoons) butter
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1 1 cup light brown sugar, packed
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1 1/2 cup granulated sugar
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1 2 large eggs
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1 1 teaspoon baking powder
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1 1 teaspoon salt
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1 1/4 teaspoon baking soda
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1 2 cups King Arthur Unbleached All-Purpose Flour
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1 1 cup sour cream
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1 1 1/2 teaspoons vanilla extract