Hot Chicken Salad
["2 1/2 c. cooked chicken", "1 c. chopped celery", "2 Tbsp. chopped onion", "1 can cream of mushroom soup", "1 jar sliced mushrooms", "1/2 c. sour cream", "1 c. grated cheese (Cheddar or Swiss)", "puff pastry shells (prepare per pkg.)"]
["Combine all ingredients and spoon into greased 1 1/2-quart casserole.", "Bake at 375\u00b0 for 30 minutes.", "Top with cheese and bake 5 more minutes.", "Spoon into puff pastry shells to serve.", "Makes 4 to 6 servings."]
["chicken", "celery", "onion", "cream of mushroom soup", "mushrooms", "sour cream", "grated cheese", "pastry shells"]