Step 1

1 In 12-inch nonstick skillet, heat olive oil over medium-high heat. Add chicken, onion, salt, Italian seasoning and pepper. Cook 4 to 5 minutes, turning occasionally, until chicken is no longer pink in center and browned. Reduce heat to medium.

Step 2

2 Stir in tomatoes and frozen vegetables. Cover and cook 15 to 20 minutes or until vegetables are tender and heated through.

Step 3

3 Sprinkle with cheese. Cover and cook 1 to 2 minutes or until cheese is melted.