We love maple syrup,” says Ron Cort, “and we’ve found a way to make it better.” Nana’s Special Sauce is a decadent twist on ...

a drizzle of mocha syrup, and graham cracker crumbles. Meanwhile, its cold brew counterpart is topped with vanilla-flavored marshmallow cold foam and the same graham cracker topping. Dunkin' also ...

Things like a pinch of salt and a splash of vanilla add subtle flavors. These particular marshmallows have raspberry syrup in the marshmallow base and an extra dose of raspberry flavor in the form ...

I even took a spoonful of the foamed vanilla milk and it tasted like a gourmet marshmallow. The salted caramel was the only syrup that I found a little too strong; the flavor was overpowering.