Saute celery and onion in butter in large skillet until tender.

Mix water, salt and pepper with beaten egg.

Combine celery mixture, egg mixture and bread crumbs.

Toss lightly.

Using a 1/4 cup measure, shape into balls.

Place in paper baking cups set in muffin tins.

Bake for 20 min or until lightly browned at 375 degrees