Try this homemade Poached Eggs Gran Duque (Mornay Sauce) recipe the whole family will love. Made with eggs, water, vinegar and water. Easy step-by-step …
This Poached Eggs Gran Duque (Mornay Sauce) relies on simple, everyday ingredients such as large eggs, water, vinegar and lightly water. It comes together quickly and makes 4 servings, at about 217 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