Wash mushrooms thoroughly, keeping the stems for another use.
Place mushroom caps on grill gills up.
Using small bowl, mix extra virgin olive oil, garlic and balsamic vinegar.
Pour evenly over portobello caps and let sit for one hour.
Grill over “hot” grill for 10 minutes.
Remove and serve immediately. Voila - this is the way to serve side dishes!
Healthy Recipe serves 3.