Using a portabella mushroom as my burger bun. I seasoned and grilled the mushroom, which softened it up a bit and made it extra juicy and delicious! This is my new favorite, low carb way to enjoy a (Low Carb Dinner Mushroom)
The Best Grilled Portobello Mushroom Burgers - marinated mushrooms that are grilled w/ melted Swiss Cheese then topped with grilled red onion, tomatoes, spinach, and avocado – yum! No actual burger involved!