If using 16 oz. shrimp, follow same instructions as 8 oz. shrimp, working in batches, if necessary.
If using whole chicken breasts, pat dry and, on a clean cutting board, cut into 1” dice. Follow same instructions as shrimp in Step 2, stirring occasionally until chicken reaches minimum internal temperature, 5-7 minutes.
If using Impossible burger, follow same instructions as shrimp in Step 2, breaking up until no pink remains and burger is heated through, 4-6 minutes.