Wendy's Brownie Batter Chocolate Frosty Swirls contain between 500-710 calories, depending on your choice of size. The size with the fewest calories is the Small Brownie Batter Chocolate Frosty Swirl (500 calories), while the Large Brownie Batter Chocolate Frosty Swirl contains the most calories (710 calories).
Choose from the sizes below to see the full nutrition facts, ingredients and allergen information.
