Clean and prep the chicken thoroughly.
Cut the potatoes, carrots, and onions into appropriate sizes.
Heat some cooking oil in a pan and brown the chicken.
Add the vegetables and stir-fry together.
Add soy sauce, sugar, minced garlic, pepper, gochujang, and water.
Cover with a lid and simmer on medium heat for 20-30 minutes.
Once the broth has reduced, check the seasoning and finish.
Garnish with green onion and sesame seeds to serve.