Image of Grilled Portobello Sandwich with Roasted Red Pepper and Mozzarella

Grilled Portobello Sandwich with Roasted Red Pepper and Mozzarella

Prep Time: 40 min
Cook Time: 15 min

Ingredients

  • 1 red bell pepper
  • salt and black pepper to taste
  • ½ cup olive oil
  • 4 portobello mushroom caps, cleaned
  • 4 slices onion
  • 4 Kaiser rolls, split
  • 4 teaspoons mayonnaise
  • 1 teaspoon roasted garlic, mashed into a paste
  • 4 ounces buffalo mozzarella, thinly sliced
  • 4 slices tomato
  • 16 fresh basil leaves, divided