1 pkg. Stove Top Dressing
1 c. chicken broth
2 1/2 c. chicken, cut up
1/2 c. onions
1 c. mushrooms (optional)
1/2 c. celery
1/2 tsp. salt
2 eggs
1 1/2 c. milk
1 can mushroom soup

Mix first 7 ingredients and put in large, flat dish. Beat eggs and milk together; pour on top of casserole. Let stand 5-6 hours or overnight. Just before baking, spread 1 can mushroom soup over top. Bake at 325 for 45 minutes.