Microwave oven
A microwave oven was a type of oven that utilized microwaves to cook food.
In 2022, Pelia had a microwave oven in her Vermont curio shop that was called The Archeology Department. (SNW: "Tomorrow and Tomorrow and Tomorrow")
In 2024, Tallinn had a microwave oven in her apartment on a countertop next to her refrigerator. (PIC: "Fly Me to the Moon"
According to an anything but canon account, a certain humanoid race that the USS Enterprise made first contact with considered leftover fish cooked in a microwave to be their national dish. They even liked to put sauce on it, which was actually their own mucus. (VST: "Worst Contact")