Picnic Cake
["2 sticks margarine", "1 c. water", "2 c. plain flour", "1/4 tsp. salt", "1 tsp. soda", "1 1/2 c. sugar", "1/3 c. cocoa", "2 eggs", "1/2 c. buttermilk", "1 tsp. vanilla"]
["Melt margarine in water.", "Sift flour, salt, soda, sugar and cocoa.", "Add to margarine mixture.", "Beat eggs into buttermilk.", "Add with vanilla.", "Bake at 400\u00b0 in long, flat pan about 15 minutes."]
["margarine", "water", "flour", "salt", "soda", "sugar", "cocoa", "eggs", "buttermilk", "vanilla"]