Hot Fudge Sundae Cake
["1 1/2 c. sugar", "4 Tbsp. margarine", "2 c. flour", "4 tsp. baking powder", "1/2 tsp. salt", "2 Tbsp. cocoa", "1 c. sugar", "1 c. brown sugar", "2/3 c. cocoa", "3 c. boiling water"]
["Preheat oven to 350\u00b0.", "Cream together 1 1/2 cups sugar and 4 tablespoons margarine.", "Sift together flour, baking powder, salt and cocoa.", "Add this to creamed mixture; blend well and spread in a greased 9 x 13-inch pan."]
["sugar", "margarine", "flour", "baking powder", "salt", "cocoa", "sugar", "brown sugar", "cocoa", "boiling water"]