1 lg. pkg. lemon Jello
1 (12 oz.) can tuna, drained
1/2 c. mayonnaise
1/4 c. onion, diced
1 c. boiling water
1 can cream of chicken soup
1/2 c. celery, diced

Dissolve Jello in boiling water; add the other ingredients. Mix well and let set. Serves 12.