Peel eggs; discard 6 egg yolks (you will be using 2 whole eggs and 6 egg whites). ln a medium-size bowl, chop the eggs up. Add celery, green onions, bell pepper, mayonnaise, sour cream, Dijon mustard, salt and pepper; stir until well mixed. Spread evenly on 6 bread slices. Top with additional bread slice and serve with a side of fruit.