Blanch the garaetteok (Korean rice cakes) in boiling water, then drain.
Cut the chicken breast sausage into bite-sized pieces.
Slice the onion and bell pepper into thin strips.
Heat olive oil in a pan and sauté the onion and bell pepper.
Add the chicken breast sausage and continue to stir-fry together.
Make the sauce by mixing gochujang (Korean chili paste), gochugaru (chili powder), low-calorie syrup, minced garlic, and soy sauce.
Add the rice cakes and sauce to the pan, stir well and fry evenly.
Finish by sprinkling with sesame seeds and green onions.