Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1                    egg yolk
   1      teaspoon      white wine vinegar
     1/4  cup           oil
   1      tablespoon    pineapple juice
   1                    shallot peeled and chopped
                        salt and pepper to taste
                        lettuce
     3/4  cup           cooked small shrimp peeled
                        and deveined
   4      slices        pineapple -- cut into
          small   wedg  
   4      sprigs        parsley

Preparation:

1) In bowl blend egg with vinegar while whisking constantly. Stir in pineapple juice and shallot. Season with salt and pepper. 2) Line 4 plates with lettuce leaves. combine shrimp and pineapple wedges; spread on top of lettuce. Cover with sauce. 3) To serve, spoon pineapple juice mixture over shrimp; garnish with parsley sprigs.