Broccoli Souffle - cooking recipe

Ingredients

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)

Preparation

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