Tuna Croquettes
["1 envelope mashed potatoes", "2 tsp. yellow mustard", "1 egg, beaten", "2 cans (7 oz.) tuna", "1 Tbsp. butter", "1 1/2 c. bread crumbs"]
["Make mashed potatoes as directed. Stir in mustard, egg and tuna; shape and roll in butter and bread crumbs. Bake in preheated oven at 450\u00b0 for 10 to 15 minutes. Serve with mushroom or tomato sauce."]
["potatoes", "yellow mustard", "egg", "tuna", "butter", "bread crumbs"]