"This recipe for the best sour cream coffee cake is a keeper. Our readers love the delightfully moist cake covered in a sweet cinnamon-sugar topping...."
INGREDIENTS
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1/3 cup chopped walnuts
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1/3 cup brown sugar
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1 teaspoon cinnamon
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2 cups sifted flour
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1 teaspoon baking powder
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1 teaspoon baking soda
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1/2 teaspoon salt
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1/2 cup butter
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1 cup sugar
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2 eggs
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1 teaspoon vanilla
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1 cup sour cream