SRS - "we" solved the burnt grilled cheese sandwich problem in our household (9 kids) because

a) when we had grilled cheese sandwiches it was our job to assemble them

b) we either cooked them in the electric griddle at the table (again- a job delagated to the kids) or on the kerosene cooktop - and then it was a "do it yourself' job.

waffles (another DINNER item in our household) were also kid-made at the table to order.