It's an annual event. We have a combi oven which is a microwave and grill. We use it for toast most mornings. Two minutes each side is about right and uses the same energy as a toaster and less than a gas grill once you take into account warming up.
You set the dial to two minutes and press grill then shut the door.
You press grill.
Once a year I press microwave. After about 45 seconds the kitchen is filled with the smoke from toast cooking from the inside and the rubber supports of the grill mesh also being microwaved.
I have a design fault. At this time of year I should have a reading on my forehead saying 'Full.' Any further piece of information inserted into me causes one other one to fall out the other side. Stop imagining quite how or where that happens, it's not edifying.