For a limited time, Wendy's is celebrating their 50th anniversary with this birthday cake flavored frosty.
Wendy's Birthday Cake Frostys contain between 210-580 calories, depending on your choice of size. The size with the fewest calories is the Junior Birthday Cake Frosty (210 calories), while the Large Birthday Cake Frosty contains the most calories (580 calories).
Choose from the sizes below to see the full nutrition facts, ingredients and allergen information.
