Chocolate Sheet Cake
["2 c. flour", "2 c. sugar", "1/2 tsp. salt", "1 tsp. soda", "1 c. margarine", "1 c. hot water", "1/4 c. cocoa", "1/2 c. buttermilk", "2 eggs", "1 tsp. vanilla"]
["Sift together flour, sugar and salt.", "Bring to boil margarine, hot water and cocoa; then add to flour and sugar mixture.", "Add soda, buttermilk, eggs and vanilla.", "Bake on cookie sheet 20 minutes at 350\u00b0."]
["flour", "sugar", "salt", "soda", "margarine", "water", "cocoa", "buttermilk", "eggs", "vanilla"]