In a large bowl, combine tomato sauce, onion, green pepper,vinegar, steak sauce, pineapple and 1/2 cup of pineapple juice (from the pineapple chunks)
Place pork in the bottom of the slow cooker. Pour tomato sauce mixture over pork. Cover and cook on low for 7-8 hours or until meat is tender.
Serve with rice.
Serves 6NOTE: Recipe originally from Six Sisters Stuff but I have made a few healthier substitutions as I am diabetic.