Try this homemade Hot Portobello Mushroom Sandwich recipe the whole family will love. Made with portobello mushroom, red wine vinegar, pumpernickel rye …
This Hot Portobello Mushroom Sandwich relies on simple, everyday ingredients such as red wine vinegar, pumpernickel rye bread, dijon mustard and havarti cheese. It comes together quickly and makes 4 servings, at about 69 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