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| red wine: 1/3 cup |
| soy sauce: 1/3 cup |
| light brown sugar (packed): 2 Tbl |
| pork tenderloin: 2 lbs |
| regular mayonnaise: 1/3 cup |
| sour cream: 1/3 cup |
| mustard powder: 1 1/2 Tbl |
| chives (chopped): 1 Tbl |
Credit: allrecipes.com
Combine wine, soy sauce, and brown sugar in a large resealable plastic bag. Place tenderloin in bag, and refrigerate overnight, or at least 8 hours.
In a small bowl, combine mayonnaise, sour cream, mustard powder; mix well. Mix in minced chives if you wish. Chill until ready to serve.
Preheat oven to 325 degrees F (165 degrees C). Place meat and marinade in a shallow baking dish, and roast for 1 hour, basting occasionally. Temperature of meat should register 160 degrees F (73 degrees C). Let rest for a few minutes, then cut into 1/2 inch thick slices. Serve with mustard sauce.