1. Sprinkle the pork with salt (in moderation) and pepper and trim away any fat. Cut the onion in half and slice thinly. Slice the garlic.
2. Heat the oil in a heavy saucepan over high heat and cook the pork until browned and cooked
through, about 6 minutes, turning once. Transfer to a plate and set aside.
3. Add the onion, garlic, salt (in moderation) and pepper to the pan and sauté 5 minutes over low heat. Slice the pork into thin strips and add along with any meat juices to the pan. Add the barbecue sauce and toss until pork is warmed through and coated with sauce, 2 minutes.
4. Halve the drained pineapple chunks and chop the cilantro. Top warmed tortillas with meat, cabbage, pineapple and cilantro.
Per serving: 313 calories, 7g fat, 2g saturated fat, 53mg cholesterol, 525mg sodium, 39g carbohydrate, 4g fiber, 32g sugar, 27g protein