Cookout doesn’t have an official printed secret menu, but many custom items can be ordered by combining ingredients from the regular menu. This flexibility is what people refer to as the Cookout secret menu.

Yes. Mixing flavors is allowed at most locations and is the foundation of the Cookout milkshake secret menu. Customers often blend two flavors or add candy and cookie mix-ins.

In many locations, yes. A Cookout grilled cheese can usually be made using toasted bread or a bun with melted cheese. Availability and preparation may vary by store.