Try this homemade Mushroom Roast Beef Sandwich recipe the whole family will love. Made with Crusty Bread, Purple Onion, Mushrooms and Worcestershire Sau…
This Mushroom Roast Beef Sandwich relies on simple, everyday ingredients such as sliced purple onion, worcestershire sauce and spicy mustard. It comes together quickly and makes 4 servings, at about 5 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