| 1 | package (7 oz) elbow or other macaroni (about 2 cups) |
| 2 | cups Yoplait® Fat Free plain yogurt (from 2-lb container) |
| 1/3 | cup grated Parmesan cheese |
| 1 1/2 | teaspoons Italian seasoning |
| 3/4 | teaspoon garlic salt |
| 1 | medium onion, finely chopped (1/2 cup) |
| 1/2 | cup sliced ripe olives |
| 2 | medium tomatoes, cut into 1/4-inch slices (1 1/2 cups) |
| 1 | medium zucchini, cut into 1/4-inch slices (2 cups) |