Baked Salmon Croquettes
["1 (15 1/2 oz.) can pink salmon", "milk", "1/4 c. butter or margarine", "2 Tbsp. finely chopped onion", "1/3 c. flour", "1/2 tsp. salt", "1/4 tsp. pepper", "1 Tbsp. lemon juice", "1 c. crushed cornflakes, divided"]
["Drain salmon, reserving liquid; add enough milk to measure 1 cup and set aside.", "Melt butter in a heavy saucepan over low heat; add onion and cook until tender.", "Add flour, stirring until smooth.", "Cook 1 minute, stirring constantly.", "Gradually add milk mixture; cook over medium heat, stirring constantly until thickened and bubbly.", "Stir in salt and pepper; set aside."]
["pink salmon", "milk", "butter", "onion", "flour", "salt", "pepper", "lemon juice", "cornflakes"]