Grilled Portabello Mushroom Burgers
  • Servings: 4
  • •4 portabello mushrooms, cleaned and gills removed
  • •5 tablespoons balsamic vinegar
  • •2 tablespoons soy sauce
  • •3 tablespoons olive oil
  • •1/2 teaspoon garlic powder
  • •1/2 teaspoon onion powder
  • •fresh ground black pepper and kosher salt to taste
  • •1 beefsteak or similar tomato, sliced
  • •4 thick slices fresh mozzarella cheese
  • •4 leaves of red leaf lettuce
  • •6 tablespoons basil pesto
  • •2 heaping tablespoons mayonnaise
  • •4 buns, split
  • •butter for spreading on buns
  1. Heat grill to medium-high heat. Combine balsamic vinegar, soy sauce, olive oil, garlic powder and onion powder in a small bowl. Pour over mushrooms, tossing a few times, and let marinate for 10 minutes. When grill is nice and hot, turn heat back to medium and grill mushrooms for about 5 minutes each side. During the last 2 minutes of grilling, throw buttered buns on just long enough to heat through, melt butter, and impart a nice grill mark on bread. Remove mushrooms and bread from grill. To assemple the burger, evenly spread the pesto aioli on the buns. Layer with warm mushrooms, sliced tomato, mozzarella cheese, and red leaf lettuce. Enjoy!