Blueberry Sour Cream Coffee Cake

Directions

1. 1
   In a large bowl, cream butter and sugar until light and fluffy.
2. 2
   Add eggs, one at a time, beating well after each addition. Beat in vanilla.
3. 3
   Combine the flour, baking powder, baking soda and salt; add to creamed mixture alternately with sour cream, beating well after each addition.
4. 4
   Spoon a third of the batter into a greased and floured 10-in. tube pan.
5. 5
   Combine brown sugar, flour and cinnamon; sprinkle half over batter. Top with half of the berries. Repeat layers. Top with remaining batter.
6. 6
   Bake at 350° for 55-65 minutes or until a toothpick inserted near the center comes out clean. Cool for 10 minutes before removing from pan to a wire rack to cool completely.
7. 7
   Combine glaze ingredients; drizzle over warm coffee cake.