Try this homemade Asparagus With Creamy Mustard Onion Sauce recipe the whole family will love. Made with butter, onion, salt and white pepper. Easy step…
This Asparagus With Creamy Mustard Onion Sauce relies on simple, everyday ingredients such as butter, minced onion, salt, to taste and white pepper. It comes together quickly and makes 4 servings, at about 72 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