Bake this irresistible Parmesan Onion Bread at home. Made with onion, mayonnaise, Parmesan cheese and bread. Easy step-by-step instructions included.
This Parmesan Onion Bread relies on simple, everyday ingredients such as finely chopped onion, mayonnaise, grated parmesan cheese and loaf french bread. It comes together quickly and makes 4 servings, at about 339 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