Ho-Ho Cake
["1 box chocolate cake mix", "5 Tbsp. flour", "1 1/4 c. milk", "2 sticks butter (1 c.)", "1/2 c. Crisco", "1 c. white sugar", "3 sq. chocolate", "1 egg", "1 tsp. vanilla", "3 Tbsp. hot water", "2 1/2 to 3 c. powdered sugar"]
["Mix chocolate cake mix according to directions.", "Pour into greased 7 x 11-inch pan.", "Bake 20 minutes."]
["chocolate cake mix", "flour", "milk", "butter", "Crisco", "white sugar", "chocolate", "egg", "vanilla", "water", "powdered sugar"]