Chocolate Gravy
["2 c. milk", "3/4 c. sugar", "2 Tbsp. cocoa", "2 heaping Tbsp. flour", "1/2 tsp. salt", "2 Tbsp. butter or margarine", "1 tsp. vanilla"]
["Heat milk in saucepan, but do not boil.", "In a bowl, mix the sugar, cocoa, flour and salt and stir in enough milk to make a smooth paste.", "Pour this into the warm milk.", "Stir continuously over moderate heat until the sauce thickens.", "Add butter and vanilla.", "Serve over hot, buttered biscuits.", "Serves 4."]
["milk", "sugar", "cocoa", "flour", "salt", "butter", "vanilla"]