Try this homemade Roast Beef And Fontina Panini recipe the whole family will love. Made with butter, onion, whole grain mustard and deli roast beef. Eas…
This Roast Beef And Fontina Panini relies on simple, everyday ingredients such as butter, small onion, thinly sliced, whole grain mustard and bacon, cooked. It comes together quickly and makes 4 servings, at about 403 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