How To make Chocolate Banana Split Streusel Cake

1 Butter or margarine; (4 oz)
1 1/2 c Granulated sugar
2 lg Bananas, ripe, peeled; mashe
1/2 c Unsweetened cocoa powder
1 ts Vanilla extract
4 Eggs
2 c Flour
1 ts Baking powder
1 ts Baking soda
1/2 ts Salt
1/2 c Sour cream
Chocolate streusel filling - Powdered sugar Preheat oven to 350F. In a large bowl, beat together butter and granulated sugar with an electric mixer on medium speed until well mixed, 1 to 2 mins. With mixer on low, beat in bananas, cocoa, and vanilla until well blended. With mixer on medium, add eggs one at a time, beating well after each addition. Sift together flour, baking powder, baking soda, and salt. Beat into chocolate mixture alternately with sour cream just until combined. Spread one third of batter evenly in well-greased 12-cup bundt pan. Top with half of Chocolate Streusel Filling. Carefully spread half of remaining batter over filling. Top with remaining streusel, then remaining batter, spreading evenly. Bake 50 to 55 mins, or until a cake tester inserted in center comes out clean. Let cool in pan 15 mins, then unmold onto rack and let cool completely. Sift powdered sugar over top. CHOCOLATE StrEUSEL FILLING 4 Tbs butter, melted and cooled 1/2 cup packed brown sugar 1/2 cup flour 6 ozs. semisweet
chocolate chips (1 cup) 1 cup chopped pecans 1/2 tsp ground allspice In a medium bowl, combine butter, brown sugar, flour, chocolate chips, pecans and allspice. Mix until thoroughly combined. -----