1 3/4 pounds skinless, boneless chicken breast halves
1 teaspoon salt, divided
3/4 teaspoon freshly ground black pepper, divided
Cooking spray
20 ounces uncooked farfalle (bow tie pasta)
1 tablespoon butter
3 garlic cloves, minced
1 1/2 cups 1% low-fat milk, divided
2 tablespoons all-purpose flour
1 (3.5-ounce) jar commercial pesto (about 1/3 cup)
3/4 cup half-and-half
2 cups (8 ounces) shredded fresh Parmesan cheese, divided
4 cups halved grape tomatoes (about 2 pints)
1/2 cup chopped fresh basil