Grilled Portabella Mushroom Burgers - A La Dave - cooking recipe

Ingredients

4 large portabella mushrooms
1/4 teaspoon salt
1/4 teaspoon pepper
1/4 teaspoon garlic powder
2 tablespoons balsamic vinegar
4 tablespoons extra virgin olive oil, divided
4 hamburger buns

Preparation

Clean mushrooms by rubbing lightly with a damp towel and remove stems (if desired).
Combine salt, pepper, garlic powder, vinegar and 3 tablespoons oil in a small bowl and combine by whisking briskly with a basting brush.
Heat a medium-size skillet to medium heat and coat with remaining tablespoon of oil (if desired).
Brush both sides of the mushrooms with the oil/vinegar mixture and place stem side down in the skillet for 5 minutes.
Brush the top side of the mushrooms with some more of the mixture and turn over.
Grill for another 5 minutes, brushing the stem side once with the oil/vinegar mixture.
Remove from the skillet, place on the hamburger rolls and garnish with your favorite condiments.