Try this homemade Portobello Burgers With Fontina And Mustard Dressi recipe the whole family will love. Made with portobellos, balsamic vinegar, mustard…
This Portobello Burgers With Fontina And Mustard Dressi relies on simple, everyday ingredients such as large portobellos, balsamic vinegar, olive oil and minced chives. It comes together quickly and makes 4 servings, at about 303 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