Patio Potato Salad
["1/2 c. milk", "1/3 c. sugar", "1/4 c. vinegar", "1 egg", "4 Tbsp. butter or margarine", "1 Tbsp. cornstarch", "3/4 tsp. salt", "3/4 tsp. celery seed", "1/4 tsp. dry mustard", "1/4 c. chopped onion", "1/4 c. mayonnaise", "7 medium potatoes, cooked in jackets, peeled, diced and chilled (about 6 c.)", "3 hard-cooked eggs, chopped"]
["In a medium saucepan, combine milk, sugar, vinegar, 1 egg, butter, cornstarch, salt, celery seed and dry mustard.", "Cook and stir over low heat until thickened.", "Remove from heat; blend in onion and mayonnaise.", "Cool.", "Combine potatoes and hard-cooked eggs; carefully fold in dressing.", "Chill.", "Just before serving, sprinkle with paprika.", "Makes 6 to 8 servings."]
["milk", "sugar", "vinegar", "egg", "butter", "cornstarch", "salt", "celery seed", "dry mustard", "onion", "mayonnaise", "potatoes", "eggs"]