Low-carb challenge! (Adding sesame oil is optional)
Cut the chicken breast into bite-sized pieces.
Slice the onion and green onion thinly.
Make the seasoning sauce with gochujang, red pepper powder, soy sauce, minced garlic, oligosaccharide, and pepper.
Put the chicken breast in a bowl, add the seasoning, and marinate for 10 minutes.
Drizzle olive oil in a pan and stir-fry the green onion to bring out the aroma.
Add the chicken breast and onion and stir-fry over medium heat.
When the chicken is cooked through, turn off the heat.
Plate and serve.