Delicious Crumb Cake
["1 Duncan Hines golden vanilla or yellow cake mix (plain)", "3 eggs", "1 1/3 c. water", "2 tsp. vanilla"]
["Grease 13 x 18-inch pan.", "Mix ingredients and pour into pan. Bake at 350\u00b0 for 20 minutes, then remove from oven.", "While cake is cooking, make crumbs for top of cake."]
["golden vanilla", "eggs", "water", "vanilla"]