We asked, and Wendy's answered with the following: "Our top-secret Krabby Kollab sauce is a closely guarded recipe that makes the first bite of the Krabby Patty Kollab Burger worth the wait for ...
thanks to the garlic, thyme, and marinated artichokes. The artichokes have a meaty texture that enhances the sauce, giving it depth and a subtle tang, almost like white wine. The mushrooms are sautéed ...