Tuna Hash – Easy! Easy way to use up leftover mashed spuds By Guest Contributor May 2, 2011 Fish Preparation Time Cook Time Servings0IngredientsCold mashed potatoCan of tunaCan of sweetcorn1 egg1/2 a chopped onionDried/fresh chivesS+PInstructions Step 1: Mix everything together in a bowl – it will look really weird but taste yummy! Step 2: Step 3: Fry off in a frying pan until it has a bubble & squeak consistency – it doesn’t have to be browned. Step 4: Step 5: Eat! Show Comments ▼