Pineapple Pork without dates

2 lb boneless pork loin roast - (to 3 lbs) 1/2 c. flour 3 Tbsp. margarine 2 med onions halved, sliced 1 can crushed pineapple - (20 ounce) undrained 1 Tbsp.[...]

1 1/2 lb. cubed pork from loin or chops (1 inch) 1 small onion , finely chopped 1/2 each red bell and green peppers, chopped 1 stalk celery , thinly sliced[...]