1 teaspoon olive oil
Cooking spray
3 cups thinly sliced mushrooms
1 cup chopped onion
1 cup chopped red bell pepper
3 cups chopped fresh spinach
1 tablespoon chopped fresh oregano
1/4 teaspoon freshly ground black pepper
1 (16-ounce) carton 2% low-fat cottage cheese
4 cups hot cooked penne (about 8 ounces uncooked tube-shaped pasta)
2 cups shredded roasted skinless, boneless chicken breast
1 cup (4 ounces) shredded reduced-fat sharp cheddar cheese, divided
1/2 cup (2 ounces) grated fresh Parmesan cheese, divided
1/2 cup 2% reduced-fat milk
1 (10 3/4-ounce) can condensed reduced-fat, reduced-sodium cream of chicken soup, undiluted