Mushroom Burgers

• 1 red bell pepper
• 1 yellow bell pepper
• 1 sweet onion
• 1/4 cup white wine vinegar
• 2 tablespoons olive oil
• 1 garlic clove, minced
• 1/4 cup chopped fresh basil
• 1/4 teaspoon salt
• 1/4 teaspoon freshly ground pepper
• 8 portobello mushroom caps
• 4 (1-ounce) slices part-skim mozzarella cheese

1. Cut each bell pepper into 8 strips; cut onion into 8 slices.
2. Combine vinegar and next 5 ingredients in a shallow dish or large zip-top plastic bag; add bell pepper and onion. Cover or seal, and chill 30 minutes. Add mushroom caps; cover or seal, and chill, turning occasionally, 30 more minutes.
3. Remove vegetables from marinade, reserving marinade; set mushroom caps aside.
4. Grill remaining vegetables, covered with grill lid, over medium-high heat (350u0b0 to 400u0b0) 10 minutes or until partially charred.
5. Place 4 mushroom caps upside down, and top evenly with grilled vegetables and cheese slices; place remaining mushroom caps, right side up, over cheese.
6. Grill, covered with grill lid, over medium-high heat (350u0b0 to 400u0b0) until cheese melts, turning once. Serve with reserved marinade.

red bell pepper, yellow bell pepper, sweet onion, white wine vinegar, olive oil, garlic, fresh basil, salt, freshly ground pepper, portobello mushroom, mozzarella cheese

Taken from www.myrecipes.com/recipe/mushroom-burgers (may not work)