Ham And Creamy Potato Scallops
["5 lb. white potatoes, partially cooked", "3 Tbsp. butter or margarine", "1/4 c. all-purpose flour", "1/4 c. chopped onion", "1/2 c. sliced celery", "1 lb. cooked ham, diced", "1 (14 1/2 oz.) can chicken broth", "1/4 c. mayonnaise", "1 c. process cheese spread", "salt and pepper to taste"]
["Cool and peel potatoes; slice 1/4-inch thick.", "Spread in greased 2-quart casserole.", "In saucepan, melt butter and stir in flour until well blended.", "Add onion, celery, ham, broth, mayonnaise and cheese spread; cook until thickened.", "Season with salt and pepper.", "Pour ham and cheese mixture over potatoes and toss gently.", "Bake at 275\u00b0 for 1 hour or until potatoes are tender.", "Yields 6 to 8 servings."]
["white potatoes", "butter", "all-purpose", "onion", "celery", "ham", "chicken broth", "mayonnaise", "process cheese", "salt"]