Cut the chicken breast into bite-sized pieces.
Slice the onion thinly.
Heat cooking oil in a pan and stir-fry the chicken breast.
When the chicken breast is cooked, add the onion and stir-fry together.
Add soy sauce, minced garlic, and oligosaccharide, then stir-fry until the seasoning is well absorbed.
Place the stir-fried ingredients on top of rice and sprinkle with green onion.