You can get things your way in the Galley.
The burgers and tacos are not the "pre-made boxed options" to which he was referring. Those items are things like sushi, salads, charcuterie, some sandwiches, wraps, things like that that are available boxed to be taken anywhere on the ship if you don't want to stay and wait for a burger, tacos, ramen, panini, salad bar, whatever else.