Chocolate Sheet Cake
["1 stick margarine", "1 c. water", "1/2 c. shortening", "4 Tbsp. cocoa", "2 c. flour", "2 c. sugar", "3/4 tsp. salt", "1/2 c. buttermilk", "2 beaten eggs", "1 tsp. vanilla", "1 tsp. soda"]
["Bring to boil margarine, water, shortening and cocoa.", "Set aside.", "Mix together flour, sugar and salt.", "Pour liquid ingredients over dry ingredients and add buttermilk, soda, eggs and vanilla.", "Bake in 15 x 10 x 1-inch pan that has been buttered. Bake at 375\u00b0 for 20 minutes."]
["margarine", "water", "shortening", "cocoa", "flour", "sugar", "salt", "buttermilk", "eggs", "vanilla", "soda"]