Try this homemade Grilled Flank Steak With Portobello Mushrooms recipe the whole family will love. Made with Wish-Bone Balsamic Italian Vinaigrette Dres…
This Grilled Flank Steak With Portobello Mushrooms relies on simple, everyday ingredients such as steak, sliced mushrooms, mixed salad greens and red onion small, sliced. It comes together quickly and makes 4 servings, at about 728 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026