Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
                        ***FRUIT SALAD***
   3      cans          mandarin orange -- drained, (11 oz ea.)
   3                    grapefruit -- pink, peeled,
                        -- seeded and sectioned
   6                    bibb lettuce heads -- torn in bite size
                        -- pieces
                        ***POPPY SEED DRESSING***
     1/4  cup           onion -- chopped (to 1/2 cup)
     3/4  cup           vinegar -- tarragon
   2      tablespoons   vegetable oil
   2 1/2  tablespoons   poppy seeds
   1      tablespoon    sugar
   1      teaspoon      salt
   1      teaspoon      dry mustard
     3/4  cup           oil -- vegetable

Preparation:

Combine mandarin oranges, grapefruit sections, and lettuce in a large salad bowl; toss lightly. Serve with Poppy Seed Dressing. Poppy Seed Dressing: Combine first 7 ingredients in container of electric blender; blend well. Slowly add 3/4 cup vegetable oil, continuing to blend until thick. Pour into a jar with a tight-fitting lid, and chill. Shake well before serving.