Made with espresso and smooth coffee milk, Dunkin's Dunkalatte was a quick hit among fans. So why was the drink discontinued mere months after its launch?

Valentine's Day menu drops this week, featuring two of the chain's most popular doughnuts: Brownie Batter and Cupid’s Choice.

Dunkin' added an array of s'mores-inspired treats to its summer menu in June. In addition to its S'mores Donut, which features chocolate icing topped with graham cracker crumbles and, of course ...