Put Pork Tenderloin in a Glass Baking Dish. Mix Together All Other Ingredients And Simmer Over Medium Heat Until Ingredients Are Blended. Let Cool Slightly And Then Pour Over Tenderloins. Marinate in Refrigerator For About 3 Hours, Turning Every 30 Minutes. Place Dish in Oven as is And Bake Uncovered in a Preheated 350 Oven For About 1 1/2 Hours. Time May Vary. Baste Every 15 to 20 Minutes And Continue to Bake Until Sauce Becomes Thick, Dark And Forms a Crust. This is a Good Dish to Serve Company And Makes Great Leftovers. Serve With Whipped potatoes or rice. Sauce Can Also be Used on Spare Ribs That Have Been Broiler 4 Minutes on Each Side Before Adding The Sauce. The Aroma is Mouth Watering.