Roast Beef With Blue Cheese Cream

Ingredients:
- 1 whole beef tenderloin (5-6 pounds)
- 1 cup Dijon mustard
- salt and fresh pepper
- 1/2 cup mayonnaise
- 1/2 cup sour cream
- 4 -5 teaspoons horseradish
- 4 -5 ounces gorgonzola, crumbled
- 1/2 lemon, juice of
- 1 teaspoon Worcestershire sauce
- salt and pepper

Directions:
- Trim the tenderloin. Tie if desired. Rub with salt and pepper and mustard well.
- Put into a roaster. Preheat oven to 500 degrees.
- Bake for 35 minutes, or until medium-rare.
- For dressing, combine all ingredients. Make two hours before serving, keep at room temperature.
- Slice fillet after a short rest and accompany with sauce.