Cookie Sheet Chocolate Cake
["1 tsp. soda", "2 c. flour", "2 c. sugar", "1 tsp. cinnamon", "1/4 lb. oleo", "1/2 c. shortening", "4 Tbsp. cocoa", "1 c. water", "1/2 c. buttermilk or sour milk", "2 eggs", "1 tsp. vanilla"]
["Sift together soda, flour, sugar and cinnamon.", "Melt and bring to a rapid boil the oleo, shortening, cocoa and water."]
["soda", "flour", "sugar", "cinnamon", "oleo", "shortening", "cocoa", "water", "buttermilk", "eggs", "vanilla"]