Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      pound         pork tenderloin -- all fat trimmed off
                        vegetable cooking spray
     1/4  cup           water
   1      20 oz can     unsweetened pineapple tidbits
     1/4  cup           firmly packed brown sugar -- optional
   2      tablespoons   cornstarch
     1/4  cup           cider vinegar
   2      tablespoons   reduced sodium soy sauce
     3/4  cup           green peppers -- finely sliced
     1/4  cup           onion -- thinly sliced
   3      cups          hot -- cooked rice,
                        -- unbuttered

Preparation:

Cut pork into 2 x 1/2-inch strips. Coat skillet with cooking spray; place over medium heat. Add pork and cook until browned. Add water, cover and simmer 30 minutes. Drain. Drain pineapple, reserve juice. Combine sugar and cornstarch, then stir in pineapple juice, vinegar and soy sauce. Cook over medium heat, stirring constantly, until thickened. Pour over pork, let stand 15 minutes. Stir in pineapple, green peppers and onion; simmer uncovered 8 to 10 minutes. Serve over rice.