2 tablespoons canola oil
1 cup chopped onion
2 garlic cloves, finely chopped
1/4 cup packed brown sugar
1/4 cup rice wine vinegar
1/4 cup ketchup
2 tablespoons lower-sodium soy sauce
2 teaspoons dry mustard
1 teaspoon ground ginger
1/2 teaspoon black pepper
1/8 teaspoon crushed red pepper
2 whole cloves
1 1/2 pounds black plums, quartered and pitted
1 star anise
2 tablespoons canola oil
2 (1-pound) pork tenderloins, trimmed
1/2 teaspoon salt
1/2 teaspoon freshly ground black pepper