Cut the chicken breast into bite-sized pieces.
Slice potatoes, onions, and carrots into pieces suitable for eating.
Make the sauce by mixing gochujang, soy sauce, minced garlic, chili powder, oligosaccharide, and pepper in a bowl.
Briefly stir-fry the chicken breast in a pan.
Add the prepared vegetables and sauce, then stir-fry together.
Add 100ml of water, cover with a lid, and simmer for 10 minutes.
When the vegetables are cooked, check the seasoning and adjust as needed.