"Are you ready for the moistest, dense and rich Blueberry Sour Cream Coffee Cake with a cinnamon brown sugar filling? This is one decadent breakfast or brunch treat! the-girl-who-ate-everything.com..."
INGREDIENTS
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1 cup butter, softened
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2 cups white sugar
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2 eggs
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1 cup sour cream
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1 teaspoon vanilla extract
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1 3/4 cups all-purpose flour
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1 teaspoon baking powder
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1/4 teaspoon salt
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1 1/2 cups fresh or frozen blueberries ((see Note))
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1/2 cup brown sugar
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1 teaspoon ground cinnamon
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1/2 cup chopped pecans
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confectioners' sugar for dusting