Preparation:
Make small meatballs by mixing the ground beef, breadcrumbs, chopped onion, egg, salt, pepper, and soy sauce.
Bake the meatballs in the oven or in a pan.
Mix the sauce ingredients in a saucepan, bring to a boil, and cook until thickened.
Add the cooked meatballs to the sauce along with the chopped vegetables and cook for a few more minutes.
Serve hot. It goes great with rice!