Try this homemade Mushrooms Americana (Dilly Mushrooms Au Gratin) recipe the whole family will love. Made with Bella Mushrooms, Olive Oil, Butter and Fl…
This Mushrooms Americana (Dilly Mushrooms Au Gratin) relies on simple, everyday ingredients such as olive oil (or cooking spray), butter, divided, flour and broth or milk. It comes together quickly and makes 4 servings, at about 584 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