Cut the chicken tenders into bite-sized pieces.
Prepare vegetables such as onion, green onion, sweet potato, and cabbage.
In a bowl, make the marinade with gochujang (Korean chili paste), soy sauce, chili powder, minced garlic, sugar, pepper, and sesame oil.
Mix the chicken tenders and vegetables with the marinade and let them marinate for 10 minutes.
Heat cooking oil in a pan and add the marinated ingredients.
Stir-fry over medium heat until everything is cooked through.
Finish with sesame seeds and sliced green onions on top.