Straccetti is a traditional dish hailing from Rome and the Lazio area. The dish is made with a combination of beef (skirt or flank steak), olive oil, garlic, arugula (rocket) or radicchio, rosemary, salt, pepper, and Parmigiano-Reggiano. The garlic is sautéed in olive oil until fragrant and removed from the pan.
Thinly sliced radicchio or arugula is added to the pan with minced rosemary, salt, and pepper. It is cooked until wilted and tender and transferred to a plate. The beef is cut into paper-thin slices, seasoned with salt and pepper, and cooked in olive oil.