Cut the beef and chicken tenderloin into bite-sized pieces.
Slice the vegetables such as carrot, potato, and onion into easy-to-eat pieces.
Pour water into a steamer and bring to a boil.
Add the vegetables, beef, and chicken tenderloin to the steamer.
Season with salt and pepper.
Steam for 15–20 minutes until the ingredients are cooked through.
Transfer the finished dish to a plate.