1 cup whole milk
1/2 cup butter or margarine, melted
3 eggs
1 pouch Betty Crocker chocolate chip cookie mix
1/2 cup firm butter or margarine, softened
1 egg
1 tub Betty Crocker Rich & Creamy chocolate ready-to-spread frosting
2. Beat cake mix, milk, melted butter and 3 eggs in large bowl with electric mixer on low speed 30 seconds; beat on medium speed 2 minutes. Pour into pan.
3. Make cookie mix as directed on package using softened butter and 1 egg. Drop dough by teaspoonfuls evenly over batter in pan.
4. Bake 35-40 minutes or until toothpick inserted in center comes out clean. Run knife around side of pan to loosen cake. Cool completely, about 1 hour. Spread frosting over top of cake. Store loosely covered at room temperature.
Tips: You can skip the frosting, and serve with spoonfuls of ice cream and ice cream topping for an indulgent treat.