Chocolate Cinnamon Sheet Cake
["2 c. flour", "2 c. sugar", "1 tsp. baking soda", "1 tsp. cinnamon", "2 eggs", "1/2 c. sour milk (make by putting 1 Tbsp. vinegar in and leave for 15 minutes)", "1 tsp. vanilla", "1 stick butter or margarine", "1/2 c. Crisco", "1 c. water", "4 Tbsp. cocoa"]
["Melt butter, Crisco, water and cocoa in saucepan.", "Add remaining ingredients to mixture.", "Stir well.", "Pour into ungreased deep large cookie sheet or jelly roll pan.", "Bake at 400\u00b0 for about 20 minutes or until it tests done.", "Frost while still warm."]
["flour", "sugar", "baking soda", "cinnamon", "eggs", "sour milk", "vanilla", "butter", "Crisco", "water", "cocoa"]