2 oz of banana liqueur
2 oz of milk
2 oz of Bailey's Irish Cream
2 oz of creme de cacao (or chocolate liqueur)
Shake the creme de cacao, banana liqueur, Bailey's irish cream and milk together in a cocktail shaker. Take a cocktail glass, and swirl chocolate syrup in the glass and add ice. Pour the mixture from the cocktail shaker into the glass, top with whipped cream, and serve.