Chicken Croquettes
["1 small onion", "1/4 c. butter", "1/3 c. flour", "1 c. milk", "1 1/2 c. cooked chicken", "1/2 tsp. salt", "1 1/3 c. bread crumbs", "1 egg", "2 Tbsp. water", "oil (for deep frying)"]
["Chop onion; saute onion in butter.", "Add flour and milk; stir constantly until thickened.", "Remove from heat; add chopped chicken.", "Chill 2 hours.", "Beat water and egg in bowl.", "Divide chicken mixture into 8 equal portions.", "Shape into croquettes. Roll each one in crumbs.", "Coat with egg mixture and roll in crumbs again.", "Refrigerate 2 hours.", "Deep fry in 375\u00b0 oil until deep golden brown, about 2 or 3 minutes; drain on paper towels and serve with warm sauce.", "Fresh mushroom sauce is a good choice."]
["onion", "butter", "flour", "milk", "chicken", "salt", "bread crumbs", "egg", "water", "oil"]