It can be a hassle microwaving multiple things at the same time,  Just last week, all I wanted to do was heat up two bowls of leftovers at the same time so I could dig in right away (I was starving); but nooooo!  Our microwave is too small for that.  At least, I thought it was...

Once again, HOW DID I NEVER THINK OF THIS?  It's all about elevation.  It never occurred to me to use the vertical space in the microwave!  Check it out: