In a bowl combine 3/4 cup flour and sugar; cut in butter. For topping remove 1/2 cup crumb mixture, stir in nuts and cinnamon. Set aside.

To remaining crumb mixture add remaining flour, baking powder, baking soda, add eggs, applesauce and vanilla; beat until well blended. If desired, stir in raisins. Pour into a greased 9x9x2-inch baking pan. Sprinkle topping on batter.

Bake at 375°F for 30 to 35 minutes. Serve warm.