1. Heat oven to 350°F. In small bowl, combine butter and Worcestershire sauce; mix well. Place roast in ungreased shallow roasting pan. Brush butter mixture over roast. Press peppercorns into top of roast; sprinkle with thyme. Insert meat thermometer so bulb reaches center of thickest part of meat, but does not rest in fat or on bone.
2. Bake uncovered at 350°F. for 1 1/2 to 2 hours or until meat thermometer registers 145°F. for medium-rare or 160°F. for medium doneness.
3. Remove roast from oven. Cover with tent of foil. Let stand 10 to 15 minutes before carving.
Nutrition Information Per Serving: Serving Size: 1/6 of Recipe * Calories: 340 * Calories from Fat: 170 * % Daily Value: Total Fat; 19 g 29% * Saturated Fat: 8 g 40% * Cholesterol: 115 mg 38% * Sodium: 150 mg 6% * Total Carbohydrate: 3 g 1% * Dietary Fiber: 1 g 4% * Sugars: 0 g * Protein: 38 g * Vitamin A: 0% * Vitamin C: 0% * Calcium: 4% * Iron: 30% * Dietary Exchanges: 5 1/2 Lean Meat, 1/2 Fat