Triple Chocolate Pudding Cake
["1 c. biscuit baking mix", "1/2 c. sugar", "1/4 c. Hershey's cocoa", "3/4 c. milk, divided", "1/3 c. butter or margarine, melted", "3/4 c. Hershey's Chocolate Shoppe topping, divided", "1 tsp. vanilla extract", "1 c. Hershey's semi-sweet chocolate chips, divided", "3/4 c. hot water", "whipped topping or ice cream (optional)"]
["Heat oven to 350\u00b0.", "Grease", "8-inch", "square", "baking pan. In medium bowl, combine baking", "mix,", "sugar and cocoa; stir in 1/2 cup milk, butter,", "1/4", "cup", "chocolate topping and vanilla until blended.", "Stir in 1/2 cup chocolate chips; spread evenly in prepared pan."]
["biscuit baking mix", "sugar", "cocoa", "milk", "butter", "Chocolate Shoppe topping", "vanilla extract", "chocolate chips", "hot water", "cream"]