Oh for sure! Basically you can use the microwave to fry to a crisp small quantities of herb leaves or even baby spinach leaves. The method is to stretch plastic wrap over a plate, then lay herbs and some oil on top, optionally wrapping a second sheet over that to make a sandwich. Then microwave on high, checking every 30 s, until the leaves are crispy.
Here's a video showing the original technique:
Here's a modified technique for home cooks that adds parchment paper:
It makes a cute garnish but I couldn't get it to work this time, it kept melting through the plastic wrap!