Marinated Roast Beef

From Southern Living magazine.

• Ready In: 49 hrs 45 mins
• Serves: 10

Ingredients

• 6 -8  lbs rump roast
• 1  cup  vegetable oil
• 3⁄4 cup soy sauce
• 1⁄2 cup lemon juice
• 1⁄4 cup Worcestershire sauce
• 1⁄4 cup prepared mustard
• 30  cloves garlic, cut in half
• 1  tablespoon ground pepper

Directions

1. Pierce roast at 1 inch intervals with a meat fork, and place in a large zip lock bag.
2. Combine vegetable oil and next 5 ingredients; pour over roast in zip lock bag.
3. Seal and chill for 24-48 hours, turning roast occasionally.
4. Bake at 325 degrees for 1 hour and 50 minutes or until a meat thermometer registers 145-160 degrees.
5. Let stand for 5 minutes before slicing thinly across the grain.
6. Roast beef will be rare.