2 large portobello mushroom caps, sliced |
1/2 large onion, sliced |
1/2 teaspoon salt |
1/2 teaspoon pepper |
vegetable cooking spray |
1 tablespoon balsamic vinegar |
2 tablespoons yellow cornmeal |
1 (10-ounce) refrigerated pizza crust dough |
2 tablespoons basil pesto |
2 tablespoons plain nonfat yogurt |
1/4 cup chopped fresh basil |
6 fresh mozzarella cheese slices (6 ounces) |
5 plum tomatoes, chopped |
2 tablespoons shredded parmesan cheese |