Cut the chicken tenderloins into bite-sized pieces.
Season the chicken tenderloins with salt and pepper.
Mix soy sauce, gochujang, sugar, minced garlic, gochugaru, and cooking wine to make the sauce.
Heat cooking oil in a pan and cook the chicken tenderloins.
Add the sauce to the chicken and stir-fry.
When the sauce thickens, turn off the heat.
Serve on a plate and garnish with sesame seeds and sliced green onions.