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

Blend together for 4 minutes. Grease and flour a cookie sheet (11 x 15 inch or 11 x 17 inch). Bake at 350 degrees for at least 20 minutes until done. Let cool.

CRUMBS:

4 c. flour
2/3 c. sugar
2/3 c. brown sugar
1 tbsp. cinnamon
2 sticks of butter and 1 stick of butter
1 tbsp. vanilla

Melt butter and butter, add vanilla; let cool. Mix flour, cinnamon and sugars. Then add liquid mixture. Crumble and put on cake. Bake another 20 minutes at 350 degrees. Remove from oven and when cool sprinkle with confectioners sugar. Easy to do and serves a large crowd!