Name all the secret menu items at restruants you can?

Question

like at in and out they have grilled cheeses, animal style fries, neopolation shakes. that sorta thing

Answer 1

starbucks can add in anything you bring from home. and it's possible to make any kind of combination. In-and-out monster fries, monster burgers. burger up to ten x ten( ten patties and ten cheeses.) Burger King Steamed Burger(They cook it for you, not preheat) but it takes longer. and also from burger king a Bull Eyes Burger.