Plum Sauced Pork Tenderloin

Ingredients

• 1 pound pitted, chopped plums - i prefer prune plums, but earlier season plums will make a lovely, but more tart, sauce
• 1/2- 3/4 cup dark brown sugar, depending on the sweetness of the fruit
• 1/4 cup rice wine vinegar
• 1/4 cup finely minced onion
• 1 minced jalapeno or other hot pepper, depending on personal preference for heat, leave seeds &; ribs in (hotter), or remove
• 1 teaspoon mustard seed, cracked
• 2 cloves garlic, minced
• 1 tablespoon candied ginger
• salt &; pepper
• 2 boneless pork tenderloins
• canola or other flavorless oil
• salt &; pepper