3 portabella mushroom sandwiches roasted basil Recipes

garlic cloves, unpeeled, olive oil (for drizzling ), mayonnaise, basil leaves, fresh minced, balsamic vinegar, balsamic vinegar, butter, divided (3/4 stick), portabella mushroom, stems trimmed and cut into 1/4-inch slices (about 5 large), bread , halved horizontally (pain rustique, ciabatta or facaccia), parmesan cheese, freshly grated, tomato, thinly sliced

eggplant, sliced into strips, red bell peppers, olive oil, divided, portabella mushrooms, sliced, garlic cloves, crushed, mayonnaise, fresh basil leaf, focaccia bread