Virtually anything the size of a normal meal cannot fit inside without hitting the splatter guard or heating element, which also prevents the lid from sealing, and thus requiring longer cooking times.

However the splatter guard and upper lid is a bit difficult

The splatter guard is a double-mesh design that traps food particles inside making it very hard to remove them.

She absolutely loves it - says that her steaks are done just as well as in the steak house.

Works exactly as it says it would.

They work as they should and have the bonus of not heating up my kitchen this summer

That's actually the only negative as we've been able to cook everything else better with the Ninja Foodi XL after testing multiple settings per food type