Chocolate Sheet Cake
["2 sticks butter, melted", "2 Tbsp. cocoa", "1 c. water", "2 c. sugar", "2 c. flour", "1 tsp. baking soda", "1 tsp. vanilla", "1/2 tsp. salt", "2 eggs, beaten", "1/2 c. buttermilk"]
["Bring to a boil the 2 sticks butter, cocoa, water and sugar. Pour over the remaining ingredients.", "Bake in a large cookie sheet pan with edge on it.", "Bake at 350\u00b0 for 30 minutes."]
["butter", "cocoa", "water", "sugar", "flour", "baking soda", "vanilla", "salt", "eggs", "buttermilk"]