In a small bowl, combine the first five ingredients. Combine the mayonnaise, salt and pepper; add to chicken mixture and stir to coat. Cover and refrigerate until serving.
Preheat oven to 350°. Cut each slice of bread with a 3-in. round cookie cutter; brush both sides with butter. Press into ungreased mini muffin cups. Bake 11-13 minutes or until golden brown and crisp.
Cool 3 minutes before removing from pans to wire racks to cool completely. Spoon 1 tablespoonful chicken salad into each bread basket. Cover and refrigerate up to 2 hours. Just before serving, sprinkle with parsley.Yield: 20 appetizers.