1 c. butter
1 c. sugar
3 eggs
1 tsp. vanilla
2 c. flour
1 big tsp. baking powder
1 big tsp. baking soda
1 c. sour cream

TOPPING:

1/2 c. brown sugar
1/4 c. granulated sugar
1 big tsp. cinnamon
1/4 c. chopped nuts (opt.)

Cream together butter and sugar. Add eggs and vanilla. Sift together flour, baking powder and baking soda. Add dry ingredients to creamed mixture alternately with sour cream. Spread in 13"x9" (greased and floured) pan, layering the mixture with the topping. Bake at 350 degrees for 35 minutes.