Cookie Sheet Cake
["2 c. flour", "2 c. sugar", "1/2 tsp. salt", "1/2 c. butter", "1 c. water", "1/2 c. shortening", "3 Tbsp. cocoa", "2 eggs", "1 tsp. soda", "1/2 c. buttermilk", "1 tsp. vanilla"]
["Sift flour, sugar and salt.", "Set aside.", "Bring to boil the butter, water, shortening and cocoa.", "Pour liquid mixture over dry ingredients and beat."]
["flour", "sugar", "salt", "butter", "water", "shortening", "cocoa", "eggs", "soda", "buttermilk", "vanilla"]