Instructions
Season 5- to 6-inch portobello mushroom cap with soy sauce, garlic puree, vegetable oil, salt and pepper. Grill, top with Provolone cheese. Sandwich in bun with Soy Aioli, roasted red bell pepper slices, lettuce and tomato slices.
To make Soy Aioli: Mix 3 1/2 cups mayonnaise, 1/4 cup soy sauce, 1/4 cup Dijon mustard and 1 tablespoon garlic purée. (Makes about 4 cups)