2 Pound tenderloin of beef
WhistleStop Grill-it Chargrill Seasoning
Preheat oven to 325°
Sauce:
1 cup cottage cheese
1/4 cup buttermilk
2 Tbs horseradish
1 Tbs lemon juice
1 tsp dijon mustard

Rub tenderloin with Grill-it, or use ground black pepper. In a baking dish, roast beef uncovered for 30-40 minutes until a meat thermometer reaches 135°. Cover with foil. Let stand for 15 minutes before slicing. Place all ingredients in a blender. Mix on low speed until smooth. Serve over sliced beef tenderloin for a low fat, high flavor sauce.