Baked Chicken Caesar Tortellini

Name: Baked Chicken Caesar Tortellini
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Cuisine: American
Ingredients: 1 (20 ounce) bag frozen cheese tortellini (thawed, uncooked); 2 tablespoons olive oil; 1 pound boneless, skinless chicken thighs or breasts (cut into bite size pieces); 1 onion (diced); kosher salt, pepper, crushed red pepper flakes; 6 to 7 cloves garlic (minced); 8 ounces fresh chopped spinach; 1 16 ounce bottle Caesar salad dressing; 1/4 cup water; 1/2 cup shredded parmesan cheese; 1 cup shredded mozzarella cheese