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This Filet of Beef with Roasted Garlic Mashed Potatoes, Bleu Cheese and Walnut Stuffed Portobellos, and Homemade Worcestershire Sauce relies on simple, everyday ingredients such as salt and pepper, extra-virgin olive oil, crumbled blue cheese and crumbled walnuts. It comes together quickly and makes 4 servings, at about 3136 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