Bring water to a boil for pasta.
Coarsely chop red peppers.
Cut bacon into bite-size pieces.
Cut chicken into 1-inch chunks (wash hands); sprinkle with seasoned salt.
Preheat large sauté pan on medium-high 2–3 minutes. Place bacon and 2 tablespoons green onions in pan; cook and stir 4–5 minutes or until bacon begins to brown.
Cook pasta following package instructions. Add chicken to bacon; cook and stir 4–5 minutes or until chicken is 165°F.
Reduce heat (on chicken) to low. Stir in Alfredo sauce, red peppers, and 2 tablespoons green onions; cover and cook 4–5 minutes or until heated. Drain pasta; stir into chicken. Serve.