Speaking of grilled cheese, you can totally get one at In-N-Out! It is entirely possible, maybe because you are a vegetarian, or maybe because you just think a grilled cheese with In-N-out ingredients would be delicious, that you don't want meat on your In-N-Out sandwich. Well, just ask for a grilled cheese, and you shall receive one. You can literally get it just with cheese, but as you can see, this person left the veggies on.
15 Delicious And Awesome Secret In-N-Out Menu Items