Try this homemade Cooked Mustard Sauce recipe the whole family will love. Made with butter, flour, mustard and salt. Easy step-by-step instructions incl…
This Cooked Mustard Sauce relies on simple, everyday ingredients such as butter or margarine, all-purpose flour, prepared mustard and salt. It comes together quickly and makes 4 servings, at about 131 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