1 box macaroni & cheese (Kraft, cheese in foil pouch)
1 (6 oz.) can tuna in water (drain off water)
1 med. onion, chopped
2 hard boiled eggs, diced
1 c. mayonnaise
1/4 c. chopped bell pepper
1/4 c. chopped celery
Salt
Pepper

Cook macaroni and cheese as directed on box, add remaining ingredients. Pour into casserole dish and bake 25 to 30 minutes in 350 degree oven.