This quick and easy version of Chicken Cacciatore is ready to serve in 30 minutes. If serving over pasta, start the water for boiling before you prepare the chicken and vegetables.
Heat oil in large skillet on medium-high heat. Add chicken, onion, bell pepper, garlic salt and pepper; cook and stir 5 to 7 minutes.
Stir in tomatoes, tomato sauce, Italian seasoning and sugar. Reduce heat to low; cover and simmer 10 minutes.
Serve over cooked pasta and sprinkle with grated Parmesan cheese, if desired.