What is in the Strawberry Pie? December 28, 2022 23:00 Updated Allergens for Strawberry Pie are soybean and wheat. Food sensitivities include gluten. Related articles Are the Prosperity Twister Fries suitable for vegetarians? There is sauce leaking out. Why did you remove the box? Can I request for a box? Will the Prosperity Burgers, Prosperity Twister Fries, Strawberry Pie and Lychee McFizz be permanent items? There is no box (clamshell) for my Prosperity Burger(s)? Is my burger still safe to consume? Are McDonald’s® French Fries suitable for vegetarians?