Try this homemade Mean Mr. Mustard Steak recipe the whole family will love. Made with grill seasoning, Moutarde, red onion and unsalted butter. Easy ste…
This Mean Mr. Mustard Steak relies on simple, everyday ingredients such as inch thick rib-eye steaks, diced red onion, divided and unsalted butter. It comes together quickly and makes 4 servings, at about 365 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