Tuna Balls Cuisine: American Author: Editor Prep time: 10 mins Cook time: 10 mins Total time: 20 mins Serves: 2 Ingredients 4 cups cooked mashed potatoes 1 can tuna 1/2 tbsp chopped onion 3 eggs salt, pepper corn starch if necessary Instructions Mix potatoes, tuna , egg yolks and seasonings. Beat egg whites for 5