To prepare a ultimate beef wellington recipe, you'll need: 1 pound ground beef 2 tbsp. Worcestershire sauce 1 cup chopped parsley 1 tablespoon thyme 1 teaspoon kosher salt 2 tablespoons butter (or margarine) 1 1/2 cups chopped scallions 1/2 cup diced red bell pepper 2 teaspoons dried oregano 1/2 teaspoon ground nutmeg Instructions: Preheat the oven to 400 degrees F. Slice the beef into 1/4-inch-thick slices. Place the sliced beef in the bottom of an oven-proof ramekin. Pour the remaining ingredients into the roasting pan. Bake for 20 to 25 minutes, or until the meat is no longer pink. Serve warm.