Tuna Noodle Casserole

cook 6 cups of medium noodles (drain)

2 6 1/2 ounce cans tuna
1 cup mayo
2 cups sliced celery
2/3 cup chopped onion
1/2 cup chopped green pepper (optional)
1 teaspoon salt
2 cans cream of celery
1 cup milk
cheese on top with potato chips or slivered almonds.