Chocolate Sour Cream Pound Cake

2 sticks butter, softened
8 oz sour cream
3 c sugar
6 eggs
1 tsp vanilla
2-1/4 c all-purpose flour
1 tsp baking powder
3/4 c cocoa

Preheat oven to 325 degrees.
Grease and flour 10-inch Bundt pan.

Using electric mixer, cream butter, sour cream and sugar.
Add eggs, beating well after each addition.
Add vanilla.

In another bowl, stir together flour, baking powder, and cocoa.
Add 1/2 flour mixture to creamed mixture, and beat well.
Add remaining flour mixture to creamed mixture, and beat at medium speed for 2 minutes.

Pour batter into prepared pan.
Bake 1 hour 15 minutes. (May take longer - up to 15 more minutes.)