Try this homemade Beef Tenderloin Steaks on Potato Galettes with Mustard Sauce recipe the whole family will love. Made with butter, shallots, white wine…
This Beef Tenderloin Steaks on Potato Galettes with Mustard Sauce relies on simple, everyday ingredients such as (1/2 stick) unsalted butter, dry white wine, chopped fresh parsley and olive oil. It comes together quickly and makes 4 servings, at about 606 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