Ingredients

  • 1 (15.25- to 16.5-ounce) package yellow cake mix
  • 3 to 4 (1 1/4 cups) very ripe bananas, mashed
  • 1 cup sour cream
  • 1/4 cup vegetable oil
  • 3 Land O Lakes Eggs
  • 2 (1-ounce) squares unsweetened chocolate, melted, cooled slightly
  • 2 teaspoons vegetable oil
  • 6 cups powdered sugar
  • 3/4 cup Land O Lakes Butter, softened
  • 1 tablespoon light corn syrup
  • 2 teaspoons vanilla
  • 5 to 6 tablespoons Land O Lakes Half & Half or Fat-Free Half & Half
  • Mini pastel colored decorator sprinkles or decorator sugars
  • Large gumballs
  • Peel-apart licorice
  • Curling ribbon, if desired

Method

  • Heat oven to 350F.
  • Line 13x9-inch baking pan with aluminum foil; grease and flour foil.
  • Set aside.
  • Combine all cake ingredients except chocolate and oil in bowl; beat at medium speed until well mixed.
  • Reserve 2 cups batter; set aside.
  • Spread remaining batter into prepared pan.
  • Combine melted chocolate and oil in bowl until well mixed.
  • Stir into reserved batter; mix well.
  • Drop by spoonfuls over batter in pan; using table knife, swirl chocolate batter into banana batter.
  • Bake 33-38 minutes or until toothpick inserted in center comes out clean.
  • Cool completely.
  • Freeze 1 hour.
  • Meanwhile, combine all frosting ingredients except half & half in bowl.
  • Beat at medium speed until well mixed.
  • Continue beating, adding enough half & half for desired spreading consistency.
  • Remove cake from freezer; carefully invert onto large 15x10-inch platter.
  • Frost top and sides with about 2 1/2 cups frosting.
  • Place remaining frosting in pastry bag fitted with large 3/4-inch star tip.
  • Pipe large stars onto frosting on outside edge of cake.
  • Sprinkle with decorator sprinkles.
  • Place 7 or 8 large gumballs on cake for balloons.
  • Place licorice pieces under gumballs for strings.
  • Tie strings with licorice, if desired.
  • Let stand at room temperature for 2 hours before serving.