""Brush the top and sides with olive oil.""
This Portabella Napoleons relies on simple, everyday ingredients such as olive oil, balsamic vinegar, white wine and garlic cloves, crushed. It comes together quickly and makes 4 servings, at about 1016 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