2 garlic-flavored bagels |
butter-flavored vegetable cooking spray |
8 cups torn romaine lettuce (about 1 large head) |
2 tablespoons freshly grated parmesan cheese |
1 teaspoon coarsely ground pepper |
2 tablespoons lemon juice |
2 teaspoons low-sodium worcestershire sauce |
1 1/2 teaspoons red wine vinegar |
1/2 teaspoon dry mustard |
1/4 teaspoon garlic powder |
1/4 cup plus 2 tablespoons plain nonfat yogurt |