Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      can           pineapple slices -- undrained (20 oz.)
   6                    pork chops -- (1 inch thick)
     1/2  cup           soy sauce
     1/3  cup           vegetable oil
     1/4  cup           minced onion
   1      clove         garlic -- minced
   1      tablespoon    brown sugar

Preparation:

Drain pineapple, reserving 1/4 c. juice. Set pineapple aside. Place chops in a large shallow dish. Combine reserved pineapple juice, soy sauce, oil, onion, garlic, and sugar, mixing well. Pour over chops; cover and marinate in refrigerator about 2 hours. Remove chops, reserving marinade. Grill over medium coals 40 to 45 minutes, turning frequently and basting with marinade. Place a pineapple ring on each chop during last few minutes of cooking time.