Here's a great vegetarian barbecue recipe. Watch this recipe being made in the Allrecipes Barbecued Portobello Mushrooms Video. The mushrooms can take the place of hamburger patties or be served as a side dish.
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!