Rinse the konjac rice cakes under running water.
Slice the onion and green onion thinly.
Heat olive oil in a pan and sauté the green onion to release aroma.
Add the onion and konjac rice cakes, and stir-fry together.
Add low-carb gochujang, soy sauce, and erythritol, then stir-fry until the seasoning is well absorbed.
Add chicken breast instead of fish cake and cook until thoroughly done.
Top with mozzarella cheese, cover with a lid, and simmer until the cheese melts.