Baked Chicken Salad
["2 Tbsp. butter or margarine", "1 c. thinly sliced celery", "1/2 c. chopped onion", "1/2 c. mayonnaise", "1/2 c. sour cream", "1 Tbsp. lemon juice", "1/2 tsp. salt", "1/8 tsp. pepper", "2 c. cubed, cooked chicken", "1/2 c. slivered, toasted almonds", "1 (4 oz.) can sliced mushrooms, drained", "1/4 c. potato chips"]
["In large skillet, melt butter over medium heat.", "Add celery and onion; cook about 4 minutes.", "Remove from heat.", "Stir in mayonnaise, sour cream, lemon juice, salt and pepper until well blended.", "Add chicken, almonds and mushrooms; toss to coat well. Spoon into 1 1/2-quart casserole.", "Sprinkle with potato chips. Bake in 325\u00b0 oven for 25 to 30 minutes.", "Serves 6."]
["butter", "celery", "onion", "mayonnaise", "sour cream", "lemon juice", "salt", "pepper", "chicken", "almonds", "mushrooms", "potato chips"]