Clean and prepare the chicken tenderloins thoroughly.
Cut the chicken tenderloins into bite-sized pieces.
Mix the marinade ingredients (gochujang, soy sauce, sugar, garlic, etc.) well and set aside.
Evenly coat the chicken tenderloins with the marinade.
Add cooking oil to a pan and preheat.
Place the marinated chicken tenderloins in the pan and grill over medium heat.
Flip and cook until the chicken is cooked through and golden brown.
Top with cheese, parsley, or other toppings as desired.