Potato Pancakes
["2 c. stiff mashed potatoes", "1 egg", "1 Tbsp. chopped onion", "salt", "pepper", "1 tsp. dry mustard", "cracker crumbs or flour", "butter"]
["Stir egg and onion into potatoes.", "Add salt, mustard and pepper.", "Form patties.", "Dip in cracker crumbs or flour to coat. Fry in butter until golden."]
["potatoes", "egg", "onion", "salt", "pepper", "dry mustard", "cracker crumbs", "butter"]