Just in time for fall, Costco has rolled out a Caramel Brownie Sundae, and it looks every bit as indulgent as it sounds. Brownies and Ice Cream Make the Perfect PairBrownies and ice cream have been paired together for generations, and it’s easy to see why. The dense, chocolaty bite of a brownie against cold, creamy ice cream hits every note without being over the top. Even if your Costco list is short, it’s worth swinging by the food court to try it out. With fall in the air and cravings for something cozy and sweet, the Caramel Brownie Sundae is quickly becoming a treat shoppers can’t stop talking about.