1 pkg. Duncan Hines butter cake mix
4 eggs
2/3 c. oil
2/3 c. milk

CRUMB TOPPING:

2 1/2 sticks butter, melt
Add 3 c. flour
2/3 c. white sugar
2/3 c. brown sugar
1 tsp. cinnamon
1 tsp. vanilla

Grease 11 x 17 inch pan. Bake cake 20 minutes at 350 degrees. Mix crumb topping. Form into large crumbs and sprinkle on top of cake. Bake another 20 minutes. Sprinkle with powdered sugar after cool.