Step 1

Cook pasta according to package directions; drain.

Step 2

Melt butter in 12-inch skillet over medium heat until sizzling. Add garlic and Italian seasoning; sauté 1 minute.

Step 3

Add chicken. Cook, turning once, 13-18 minutes or until internal temperature reaches 165⁰F, chicken is golden brown on both sides and juices run clear when pierced with a fork. Remove from skillet; keep warm.

Step 4

Add onions; cook 1-2 minutes or until softened. Add cooked pasta and tomatoes; toss lightly to coat.

Step 5

Slice chicken; serve over pasta. Sprinkle with Parmesan cheese.