Chicken Pesto Pasta

Name: Chicken Pesto Pasta
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Cuisine: Italian
Ingredients: 1 tablespoon extra-virgin olive oil; 1 1/4 pounds boneless, skinless chicken breasts (cut into bite-sized pieces); ½ teaspoon kosher salt; 1/4 teaspoon ground black pepper; 1 pound whole wheat pasta (penne rigate, rigatoni, fusilli, or similarly shaped pasta); 1 (6.35-ounce) jar basil pesto; 1 cup nonfat plain Greek yogurt; 1 (10-ounce) package frozen spinach (thawed with as much of the liquid squeezed out as possible.); 2 pints cherry tomatoes; 1/4 teaspoon red pepper flakes; 1 cup shredded part-skim mozzarella cheese (or a blend of mozzarella and provolone); ¼ cup tightly packed fresh basil leaves (roughly chopped, divided); ¼ cup freshly grated Parmesan cheese