Mackerel Potato Cakes
["1 (15 oz.) can mackerel", "1 1/2 c. cold mashed potatoes", "3 Tbsp. chopped onion", "2 eggs", "1/2 tsp. salt", "pepper", "1 tsp. mustard", "2 to 3 Tbsp. fat", "2 Tbsp. corn meal"]
["Mix together all ingredients except fat.", "Put fat in pan and drop cakes in hot pan.", "Fry."]
["mackerel", "cold mashed potatoes", "onion", "eggs", "salt", "pepper", "mustard", "fat", "corn meal"]