Coolatta is a frozen drink served at Dunkin` Donuts stores since 1997. Coolattas can be made as a frozen coffee beverage, with coffee and cream, or as a slush, made with fruit juice. The coffee flavors vary by store but can include French Vanilla, Caramel, Mocha, and Hazelnut. Fruit flavors include Strawberry, Tropicana Orange, Grape, Watermelon,....