Prep Time: 5 minutes
Cooking Time: 30 minutes
Yield: 4 servings

Ingredients:
4 Portobello mushrooms
2 tablespoons olive oil
3 teaspoons oregano
2 tablespoons balsamic vinegar
Salt and pepper to taste

Directions:
1. Preheat oven to 350 degrees.
2. Cut off mushroom stems and wash both tops and stems.
3. Mix oil, oregano and balsamic vinegar in a small bowl.
4. Place mushroom tops and stems in a baking dish with an edge.
5. Pour oil mixture over mushrooms and bake for 30 minutes.