Preheat the grill. Season the fillet with 2 tablespoons olive oil, Essence, and cracked pepper. In a saute pan, heat 2 tablespoons olive oil. When the oil is hot, sear the meat for 3 to 4 minutes for medium rare. Toss the radicchio and onions with 2 tablespoons olive oil and Essence. Place the radicchio and onion rings on the grill. Grill for 1 to 2 minutes on each side and remove. Julienne the vegetables. In a saute pan, heat the remaining olive oil. When the oil is hot, saute the shallots, radicchio, and onions for 1 minute. Add the garlic, green onions, and stock. Bring the liquid up to a boil and reduce the heat. Simmer for 2 to 3 minutes. Season with salt and pepper. In the center of the plate, mound the potatoes. Place the fillet against the potatoes. Spoon the sauce around the fillet. Drizzle a little truffle oil in the meat jus. Garnish with black pepper and green onions.
Yield: 4 servings