Use a heavy cast-iron skillet. Sear the steaks in olive oil and butter for 3-4 minutes per side for medium-rare. Remove and let them rest.
Filetto di Diana is a heavy, indulgent dish, so it pairs best with sides that can cut through the richness: Steamed asparagus or sautéed haricots verts.
Filetto di Diana: The Ultimate Guide to the Aristocrat of Steaks
Garlic mashed potatoes or a simple risotto bianco.
While often compared to Steak au Poivre , Filetto di Diana is distinguished by its smoother texture and the inclusion of mushrooms and Worcestershire sauce, which provide a deep umami backbone. The Anatomy of the Perfect Sauce
In the same pan, melt a knob of butter. Add 1/2 cup of sliced mushrooms and one minced shallot. Once browned, add a teaspoon of Dijon mustard.
Because the sauce is so rich, the meat must be lean and tender enough to complement it without competing. The is the undisputed choice. Its buttery texture melts into the Diana sauce, creating a harmonious bite. For the best results, look for "Center Cut" fillets that are at least 1.5 to 2 inches thick. How to Make Filetto di Diana at Home