Ingredients:
1/2 cup butter (or margarine)
1 cup sugar
2 eggs
2 cups flour
1 teaspoon baking powder
1 8 oz container sour cream
1 teaspoon vanilla
1 cup fresh or frozen blueberries
1 tablespoon sugar
1 teaspoon cinnamon
sprinkle of powdered sugar
Cream butter; gradually add 1 cup sugar, beating well at medium speed of an electric mixer. Add eggs, one at a time, beating after each addition. Combine flour, baking powder and soda in another bowl. Gradually add to creamed mixture, mixing until blended. Stir in sour cream and vanilla. Spoon 1/2 of batter into a greased and floured 10 inch bundt pan; sprinkle with blueberries, 1 tablespoon sugar and cinnamon. top with remaining batter. Bake at 350 degrees for 45-50 minutes. Cool in a pan 10 minutes; remove from pan and let cool completely on a wire rack. Sprinkle with powdered sugar, if desired.