Glass bowl ceramic plate popcorn kernels = perfectly popped popcorn in microwave. No bag. No butter or oil. Nothing to throw away afterward. And no un-popped kernels. Put 1/4 cup dry popcorn kernels in microwave-safe glass bowl (pyrex is a great choice). Place microwave-safe plate on top of bowl. Plate should be wide enough to go beyond rim of bowl. Microwave 2 min 45 sec. gm.