Cut the chicken breast into bite-sized pieces and season with salt and pepper.
Slice the vegetables such as onion and bell pepper into bite-sized pieces.
Heat olive oil in a pan and cook the chicken breast over medium heat.
When the chicken is almost cooked, add the vegetables and stir-fry together.
Add soy sauce and oligosaccharide, mix well, and stir-fry.
Place the stir-fried ingredients on top of the rice.
Finish by garnishing with sesame seeds and green onion to your liking.