If using 16 oz. shrimp follow same instructions.
If using Impossible Burger, in Step 2, break into small pieces and place on vegetables. Follow same instructions as shrimp in Step 3, baking uncovered until heated through, 15-18 minutes.
If using whole chicken breasts, pat chicken breasts dry and, on a separate cutting board, cut into 1" dice. Follow same instructions as shrimp in Steps 2 and 3, baking uncovered until chicken reaches minimum internal temperature, 23-35 minutes.