Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   3      tablespoons   butter
   6                    boned and skinned chicken breasts -- (6 oz each)
                        cut into 3x1/2 inch strips
     1/4  teaspoon      salt
     1/4  teaspoon      pepper
     1/3  cup           sour cream
     1/3  cup           mayonnaise
     1/4  cup           celery -- sliced 1/4" thick
     1/4  cup           chopped green onions
     1/4  cup           chopped fresh parsley
   1      tablespoon    dijon mustard
   1      tablespoon    lemon juice
     1/2  teaspoon      mustard seed
   8                    lettuce leaves
   1      cup           cherry tomato halves

Preparation:

In 10 inch skillet, melt butter until sizzling; stir in chicken, salt and pepper. Cook over medium-high heat, stirring occasionally until chicken is browned and fork tender (10-15 minutes). Stir in all reminding ingredients, except lettuce leaves and cherry tomatoes. To serve, place lettuce on platter or individual salad plates, top with chicken salad. Arrange tomatoes around salad.