3/4 cup regular flour
1/2 cup sugar
1/2 cup butter or margarine
1/4 cup sugar
2 eggs
1 teaspoon vanilla
1 cup flour
1-1/2 teaspoon baking powder
1-1/2 teaspoon baking soda
1/2 teaspoon salt
1/2 teaspoon ground cinnamon
2/3 cup mashed bananas
1/3 cup buttermilk

Combine 3/4 cup flour and 1/2 cup sugar in a bowl. Cut in butter with pastry blender or 2 knives until mixture is crumbly. Reserve 1/2 cup of crumbs.

Add 1/4 cup sugar, eggs and vanilla to remaining crumb mixture. Beat until smooth.

Sift together 1 cup flour, baking powder, baking soda, salt, and cinnamon. Add dry ingredients alternately with combined bananas and buttermilk, beating well after each addition. Spread batter in a greased 10" pie plate. Sprinkle with reserved 1/2 cup crumbs.

Bake in a 375 degree oven 35 minutes or until cake tests done. Cool in pan on rack.