Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      cans          tuna -- drained and flaked
   1      can           pineapple tidbits -- (reserve, liquid) (9
                        -- oz)
   2      tablespoons   brown sugar
   1 1/2  tablespoons   cornstarch
   1      teaspoon      msg or lemon juice
   3      tablespoons   cider vinegar
   2      teaspoons     prepared mustard
     3/4  cup           water
   1                    green pepper -- cut in strips
                        cooked rice

Preparation:

Put tuna into skillet. Add liquid from pineapple, sugar, cornstarch, MSG, vinegar and mustard, and water. Cook, stirring, until thickened. Simmer 10 minutes, then add pineapple and green pepper strips, and simmer another 10 minutes. Serve over hot rice.