Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  cup           low-calorie mayonnaise
   1      tablespoon    lemon juice
   2      tablespoons   green onions -- chopped,tops, and
                        -- all
  13      ounces        water-packed tuna, canned
     1/2  cup           celery -- chopped

Preparation:

Combine all ingredients and toss slightly before serving. Serve on a bed of shredded lettuce.