Rich Coffee Cake Recipe

In large mixing bowl, cream butter and sugar.
Add eggs, one at a time, beating well after each addition.
Combine the flour, baking powder and salt.
Combine the sour cream and vanilla; add to creamed mixture alternately with dry ingredients.
Combine topping ingredients; sprinkle 2 T into a greased and floured 10-inch tube pan.
For glaze, in a microwave-safe bowl, melt chocolate chips and butter; stir until smooth.
Spoon half of the batter over topping; sprinkle with half of the remaining topping.
Drizzle with half of the glaze.
Top with remaining batter; sprinkle with remaining topping.
Bake at 350 degrees for 60-70 minutes or until toothpick inserted comes out clean.
Cool for 10 minutes before removing from pan to a wire rack.
Warm remaining glaze; drizzle over coffee cake.
Serve warm, if desired.