Banana Chocolate Chip Crumble Cake

Mom pulled out these delicious loaves during a holiday game night, and we were all in heaven.  This is a simple recipe with big results.  Great consistency and the sweet streusel topping is better than "the icing on the cake."  You'll love these loaves for sure!

Banana Chocolate Chip Crumble Cake (or bread)
(From Momma Kaye and Marilyn Wasden)
1 cube butter
1 cup mashed bananas (about two)
2 eggs
1 1/2 cups sugar
1 tsp vanilla
2 cups flour
1 1/2 tsp baking soda
1/2 tsp salt
1 cup sour milk (mom uses sour cream, and I imagine buttermilk would do the trick.)

Topping:
1 cup brown sugar
1 cup chocolate chips
*Mix and pour over uncooked batter.

*Combine eggs, bananas, sugar, and vanilla.  Mix dry ingredients separately and combine with wet mixture.  Add sour cream and mix.  Pour into 9x13 baking pan (mom uses loaf pans and I think you slightly increase baking time), sprinkle with topping, and bake at 350 for about 30 minutes or until cooked through.