Grilled Portobello Sandwich with Roasted Red Pepper and Mozzarella

By acherry53400

4.76 / 5

40min

15min

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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 leaves fresh basil divided