What allergens are present in the Caramel Custard Frappe? November 05, 2024 02:38 Updated Allergens include Egg and Milk. Related articles Are the Mala Chicken McCrispy® , Mala Crispy Chicken Burger, Potato Pops, Smoky BBQ Shaka Shaka Chicken McBites®, Caramel Custard Frappe and Corn Pie permanent items on the menu? Why do Sundaes and McFlurries only come in the twisted version? What allergens are present in Corn Pie? Can McDonald’s® food be part of a healthy, balanced diet? Are McDonald’s® French Fries suitable for vegetarians?