Vegetarian Burger

1. Choose a large, flat Shiitake cap (yes, they get as large as Portobellas) and brush with olive oil (crushed garlic optional).

2. Sprinkle with Montreal Steak Spice and grill/roast for 3 min. each side.

3. Serve on (homemade) hamburger buns with thinly sliced sweet onions and spinach