1. Heat oil in large nonstick skillet on medium-high heat. Add chicken; cook and stir 5 to 6 minutes or until golden brown.
2. Stir in vegetables, Italian seasoning and seasoned salt. Cook and stir 5 minutes or until vegetables are tender-crisp. Add tomatoes; cook and stir 1 to 2 minutes or until tomatoes are slightly softened and chicken is cooked through.