In this task, you have to generate the title of the recipe given its required ingredients and directions.

ingredients: '4 tsp. butter', 'salt and pepper', '1/4 c. chopped onion', '1/2 tsp. celery salt', '4 oz. sliced mushrooms', '1 can cream of chicken soup', '1 large can Pet milk', '3 Tbsp. pimentos, chopped', '2 c. chopped chicken', '1/2 c. sharp Cheddar cheese', '1/4 c. Parmesan cheese', '2 c. cooked rice',<sep> directions: 'Drain mushrooms and save liquid. Saute onion in butter; add salt, pepper and mushroom liquid. Blend in soup. Add milk slowly until mixture thickens. In a large bowl, combine rice, mushrooms and chicken. Add soup mixture and stir gently. Spread in casserole dish and top with cheeses and pimentos. Bake at 350 for 30 minutes.'
Zesty Chicken Salad Casserole