1. Preheat oven to 350°F. Grease and flour 13×9×2-inch pan.
2. Combine cake mix, eggs, water, flour and oil in large bowl. Beat at low speed with electric mixer until moistened. Beat at medium speed 2 minutes. Stir in chocolate chips. Pour into prepared pan. Bake at 350°F for 32 to 35 minutes or until toothpick inserted in center comes out clean. Cool completely.
3. Slice bananas. Cut cake into squares; top with banana slices. Drizzle with chocolate syrup. Top with whipped topping, walnuts and sprinkles. Garnish with maraschino cherries.
Tip
Dip bananas in diluted lemon juice to prevent darkening.