1/2 C. margarine
2 eggs
1 C. sugar
1 tsp. vanilla
2 C. flour

CRUMBLE TOGETHER:
1 C. brown sugar
3 tsp. cinnamon
1 tsp. soda
1 tsp. baking powder
1/4 tsp. salt
1 C. sour cream
1 C. apples, peeled and diced
4 T. margarine

Cream the margarine, eggs, sugar and vanilla. Combine the flour, soda, baking powder and salt. Add slowly to the creamed mixture. Add the sour cream and fold in the peeled, diced apples. Pour into a greased 9×13″ pan. Sprinkle the crumbled mixture over top of cake. Can refrigerate overnight. Bake at 350º for 30 to 35 minutes.