Cooking Steps
Step 1
Cook spaghettini according to package directions.
Step 2
Heat oil in a skillet set over medium-high heat; sauté chicken until golden. Remove and set aside.
Step 3
Add onion and green pepper; sauté for 4 to 5 minutes. Stir in pasta sauce and reserved chicken; simmer for 2 to 3 minutes. Season to taste with salt and pepper.
Step 4
Serve sauce over hot spaghettini and sprinkle with cheese, if desired.