Jean Walsh'S Crumb Cake - cooking recipe

Ingredients

1 box Duncan Hines yellow cake mix
1 tsp. vanilla
4 c. flour
1 1/2 c. sugar
3 tsp. cinnamon
1 lb. butter
2 tsp. vanilla

Preparation

Prepare the cake mix as directed on box.
Add vanilla.
Pour into 12 x 18-inch greased and floured pan and bake for 20 minutes at 350\u00b0.