6 cups milk
3 cups strong brewed hazelnut coffee, chilled
1 1/2 cups chocolate syrup
3/4 teaspoon coconut extract
Toppings: whipped cream, chocolate syrup
Stir together milk, coffee, 1 1/2 cups chocolate syrup, and coconut extract. Chill until ready to serve (up to 8 hours). Top with whipped cream and chocolate syrup.