Chocolate Cookie Sheet Cake
["2 sticks margarine", "1 c. water", "3 Tbsp. cocoa", "2 c. sugar", "2 c. flour", "1/2 tsp. salt", "2 eggs, well beaten", "1/2 c. buttermilk", "1 tsp. cinnamon", "1 tsp. vanilla", "1 tsp. soda"]
["Heat margarine, water, and cocoa over low heat.", "Do NOT boil. Mix flour, sugar, and salt and pour chocolate mixture into this. Then mix all other ingredients together.", "Batter will be very thin.", "Bake in a 13 x 9 pan at 350\u00b0 for 30 minutes or until done. Let cool."]
["margarine", "water", "cocoa", "sugar", "flour", "salt", "eggs", "buttermilk", "cinnamon", "vanilla", "soda"]