Texas Sheet Cake
["2 sticks butter", "1 c. water", "2 c. sugar", "2 c. flour", "4 Tbsp. cocoa", "2 eggs", "1/2 c. sour milk or 1/2 c. milk and 1/2 tsp. vinegar", "1 tsp. soda", "1 tsp. vanilla"]
["Bring butter and water to a rolling boil.", "Beat the remaining ingredients in mixer, then add boiled mixture.", "Beat well.", "Pour in a cooking pan with side.", "Bake 20 to 25 minutes at 350\u00b0.", "Can use a sheet cake pan."]
["butter", "water", "sugar", "flour", "cocoa", "eggs", "sour milk", "soda", "vanilla"]