Bloom the gelatin in the milk.
Mix the meat with the milk-gelatin mixture, seasonings, egg, soy sauce, and Worcestershire sauce.
Form the mixture into meatballs and fry them in oil.
Make a mushroom gravy by sautéing mushrooms, onions, and garlic in butter, then making a roux with flour and adding chicken stock and milk.
Finish the gravy with lemon juice and soy sauce.
Serve the meatballs with the mushroom gravy.
