Crumb Cake - cooking recipe

Ingredients

1 box yellow cake mix (without pudding)
1 lb. butter or margarine
4 c. flour
1 1/3 c. sugar
3 tsp. cinnamon
3 tsp. vanilla

Preparation

Grease and flour 12 x 17-inch pan.
Make cake mix from box mix for 4 minutes.
Bake for 17 minutes at 375\u00b0.
Mix butter, flour, sugar, cinnamon and vanilla by hand until it starts to crumb.
Put crumbs on top and bake again for 17 minutes.
When cool top with confectioners sugar and cut.