Try this homemade Usmc - Sos recipe the whole family will love. Made with Ground Beef, Onion, White Mushrooms and Butter. Easy step-by-step instructions…
This Usmc - Sos relies on simple, everyday ingredients such as ground beef, onion, chopped, white mushrooms, sliced and butter. It comes together quickly and makes 4 servings, at about 412 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026