Cut the chicken into bite-sized pieces.
Slice the onion, carrot, potato, and green onion.
Heat oil in a pan and stir-fry the chicken.
Add onion, carrot, and potato to the chicken and stir-fry together.
Make the sauce by mixing gochujang, cream, milk, soy sauce, and minced garlic.
Pour the sauce and water over the stir-fried ingredients and bring to a boil.
Add rice cake, bell pepper, and sausage and simmer further.
Once the sauce thickens, top with green onion to finish.