Ingredients
- 2 large portobello mushrooms (4 ounces each), stems removed
- 1/4 cup olive oil
- 2 tablespoons balsamic vinegar
- 1/2 teaspoon salt
- 1/2 teaspoon dried basil
- 4 tomato slices
- 2 slices mozzarella cheese
- 2 slices Italian bread (1 inch thick)
- Chopped fresh basil
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