Soak the rice cakes in cold water for 10 minutes.
Heat olive oil in a pan and stir-fry onion and green onion.
Cut chicken breast into small pieces and cook in the pan.
Make the sauce by adding gochujang, chili powder, soy sauce, and erythritol.
Add rice cakes and broccoli to the sauce and stir-fry.
Pour in 100ml of water and bring to a boil.
Top with mozzarella cheese and melt to finish.