Prep and cook time:  35 minutes     Serves 4

4    portobello mushrooms
2    tablespoons avocado oil
3    teaspoons oregano
2    tablespoons balsamic vinegar
sea salt and pepper to taste

Preheat oven to 350 degrees. Cut off mushroom stems and wash both tops and stems. Mix oil, oregano, and balsamic vinegar in a small bowl. Place mushroom tops and stems in a baking dish. Pour oil mixture over mushrooms and bake for 30 minutes.