If using 16 oz. shrimp, follow same instructions as 8 oz. shrimp.
If using flank steak, separate steak strips into a single layer and pat dry. Season with a pinch of salt and Cajun seasoning. Follow same instructions as shrimp in Step 3, stirring occasionally until no pink remains, 4-6 minutes.
If using diced chicken, follow same instructions as shrimp in Steps 1 and 3, stirring occasionally until chicken reaches minimum internal temperature, 5-7 minutes.