Try this homemade Landry'S Pontchartrain Sauce recipe the whole family will love. Made with onion, Chardonnay wine, butter and flour. Easy step-by-step …
This Landry'S Pontchartrain Sauce relies on simple, everyday ingredients such as chardonnay wine, butter (no substitutions), flour and mushroom, chopped fine. It comes together quickly and makes 4 servings, at about 430 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