TO MAKE CRUMBS; Mix together, using hands in a large bowl; 4 sticks butter, 2 2/3 cups sugar, 4 tsp. cinnamon and 4 cups flour.
TO MAKE CAKE: Beat together 1 stick butter, 1 cup sugar and 2 eggs. Add 2 1/2 cups flour, 2 tsp. baking powder, 1 tsp. salt, 2 tsp. vanilla and 1 cup milk. Beat until mixture is smooth.
Grease a large pan (15x10x1) or any large roasting pan about that size. Pour cake mixture in pan; then take crumb mixture and form large lumps and place on top of the cake mixture. Bake in 350 oven for about 50 minutes or until done when checked with a toothpick.
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