Sweet Potato Pie
["2 medium sweet potatoes, sliced thin", "1 c. sugar", "1 1/2 c. water", "1 tsp. vanilla", "cinnamon", "1 1/2 sticks butter", "1 box yellow cake mix"]
["Put sliced potatoes in baking dish.", "Add 1 1/2 cups water.", "Add sugar.", "Sprinkle with cinnamon.", "Cut 1/2 stick butter on this. Sprinkle cake mix on top.", "Put 1 stick butter on top.", "Bake at 250\u00b0 to 275\u00b0 until brown."]
["sweet potatoes", "sugar", "water", "vanilla", "cinnamon", "butter", "yellow cake mix"]