Order dessert at this Ballpark shop and discover slightly spicy Boulder-based Glacier cinnamon ice cream sandwiched between two chewy, thin chipotle chile brownies. The naughty-with-a-bit-of-nice treat echoes the shop’s fearless hot dog combos. 2148 Larimer St., 720-746-9355, bikerjimsdogs.com
This brick of a sandwich is a grown-up version of the childhood favorite—right down to the crumbs that stick to your fingers. Chocolate, chocolate-chip, or peanut butter wafers bookend vanilla ice cream, and the ends are rolled in toppings such as mini chocolate chips, shredded coconut, or chopped pecans. 3801 W. 32nd Ave., 303-455-9730, generousservings.com
A food truck that serves nothing but ice cream sandwiches. Need we say more? Young entrepreneur and chef Elisa Salvat puts extra care into her sandwiches: She bakes cakey whoopie pies so that the treats are extra soft and creates knockout flavor combinations such as lemon- pistachio and red velvet. 720-431-2422, creamcitytreats.com
At this hip Baker spot, find the classic—chocolate-chip cookies with vanilla ice cream—alongside more wacky combos such as Marczyk Fine Foods’ bacon cookies with peanut butter ice cream. Bonus: If you can’t make it to Sweet Action, Steuben’s also sells the goodies. 52 Broadway, 303-282-4645, sweetactionicecream.com