Grilled Mushroom Sandwich With Citrus Mayo

Details

Ingredients

• 2 tablespoons olive oil
• ¼ cup balsamic vinegar
• 1 clove garlic, minced
• 4 portobello mushroom caps
• ⅓ cup mayonnaise
• 2 tablespoons orange juice
• 1 (12 ounce) jar roasted red bell peppers
• 4 rolls sourdough bread
• 4 slices smoked Gouda cheese
• 1 (10 ounce) bag mixed salad greens