Broccoli Souffle
["2 (10 oz.) boxes frozen chopped broccoli", "1 can cream of celery soup (undiluted)", "1 egg", "2/3 c. mayonnaise", "1/4 c. chopped onion", "1/2 c. grated Parmesan cheese (dry)"]
["Cook broccoli and drain. Add all other ingredients and mix. Put in a 1 1/2-quart casserole dish.", "Top with 1/2-inch crushed Ritz crackers.", "Dot with butter.", "Bake at 350\u00b0, uncovered, for about 35 minutes"]
["broccoli", "cream of celery soup", "egg", "mayonnaise", "onion", "Parmesan cheese"]