Cut the chicken breast into bite-sized pieces.
Slice the onion, paprika, and cabbage into manageable pieces.
Mix the chicken breast with Dakgalbi marinade (red pepper powder, soy sauce, minced garlic, erythritol, gochujang, pepper, sesame oil, etc.).
Add cooking oil to a pan and stir-fry the chicken breast over medium heat.
Add the prepared vegetables and stir-fry together.
When all ingredients are cooked, turn off the heat and finish.