Try this homemade Portabella Port Sauce for Steak recipe the whole family will love. Made with butter, portabella mushroom, port wine and sour cream. Ea…
This Portabella Port Sauce for Steak relies on simple, everyday ingredients such as butter, port wine, sour cream and cornstarch. It comes together quickly and makes 4 servings, at about 416 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026