Stuffed Beef Tenderloin

Recipe from Taste Of Home magazine February/March 2002

Stuffed Beef Tenderloin

Serving Size : 12

1 cup olive or vegetable oil
2 tablespoons Worcestershire sauce
1 teaspoon each dried oregano, basil and thyme
1 teaspoon garlic salt
1 teaspoon salt
1/2 teaspoon pepper
1 (3- to 4-pound) whole beef tenderloin -- trimmed
Stuffing:
2 cups sliced fresh mushrooms
1/2 cup sliced green onions
1 (8-ounce) can water chestnuts -- drained and chopped
1/2 cup butter or margarine
2 cups seasoned bread crumbs
3/4 cup egg substitute
1/4 cup grated Parmesan cheese
1/2 teaspoon dried oregano
1/2 teaspoon dried rosemary -- crushed
1 teaspoon fennel seed
1/2 teaspoon pepper

In a large resealable bag, combine the oil, Worcestershire sauce and seasonings. Make a lengthwise slit about three-fourths of the way through the tenderloin. Place in bag; seal and turn to coat. Refrigerate for 4 hours or overnight. In a skillet, saute mushrooms, onions and water chestnuts in butter until onion is tender. Remove from heat. Add remaining stuffing ingredients; mix well. Discard marinade. Open tenderloin; spoon stuffing on one side. Close and tie with kitchen string. Place in a greased shallow roasting pan. Bake, uncovered, at 350' for 1-1/2 hours or until meat reaches desired doneness (for rare, a meat thermometer should read 140'; medium, 160'; well-done, 170'). Let stand 10-15 minutes before removing string and slicing.