If using whole chicken breasts, pat dry, and, on a separate cutting board, cut into 1" dice. Follow same instructions.
If using Impossible burger, follow same instructions as chicken in Step 1, seasoning with seasoning blend and breaking up burger until heated through, 4-6 minutes.
If using flank steak, separate into a single layer, pat dry, and season with seasoning blend. Follow same instructions as chicken in Step 1, stirring occasionally until no pink remains and steak reaches minimum internal temperature, 4-6 minutes. Rest, 3 minutes.