You can add whatever herbs you like.
Place them on a greased baking sheet.
Sprinkle the herbs on top.
Crack the eggs and carefully put one inside each mushroom. Season eggs with salt & pepper.
Bake 10-12 minutes at 300° ,just before remove from oven,sprinkle with cheese.
Spoon over salsa. When I add salsa, the herb I use is cilantro.