Cut the chicken into bite-sized pieces.
Slice the potatoes, carrots, and onions into easy-to-eat sizes.
Put the chicken and vegetables into a microwave-safe container.
Mix soy sauce, water, minced garlic, pepper, and oligosaccharide to make the marinade.
Pour the marinade over the ingredients.
Cover with plastic wrap, poke holes, and microwave for 10 minutes.
Stir the contents evenly, then microwave for another 5 minutes.