Cut the chicken breast into bite-sized pieces.
Thinly slice the onion and carrot.
Mix soy sauce, gochujang (Korean chili paste), oligosaccharide syrup, and minced garlic to make the sauce.
Heat some oil in a pan and stir-fry the onion and carrot.
Add the chicken breast and cook until done.
Pour in the sauce and simmer over medium-low heat until reduced.
Season with pepper, plate, and serve.