1. In medium bowl, with wire whisk or fork, thoroughly blend all ingredients except endive until smooth. Spoon or pipe into endive leaves.
 
2. Serve immediately or cover with damp paper towel and chill until ready to serve. If filling is prepared ahead, cover and chill, then let soften before serving.
 
 
*Variation: Also terrific served on cucumber, yellow squash or zucchini slices or sliced celery.