1/4 lb. butter
1 c. sugar
1 c. sour cream
2 eggs
2 tsp. vanilla
2 c. flour
1 tsp. baking powder
1 tsp. baking soda
1/2 tsp. salt

Cream butter and sugar; add eggs, sour cream and vanilla. Add dry ingredients. Pour into 8 inch square pan. Bake at 350 degrees for 50 minutes.