If using whole chicken breasts, pat dry and, on a separate cutting board, cut into 1" dice. Follow same instructions as diced chicken in Step 3, cooking until chicken reaches minimum internal temperature, 5-7 minutes.
If using Italian sausage, remove from casing. Follow same instructions as chicken in Step 3 breaking into smaller pieces until no pink remains and sausage reaches a minimum internal temperature, 4-6 minutes.
If using Impossible Burger, follow same instructions as chicken in Steps 3, breaking up burger until heated through, 5-7 minutes.