...My mother always had leftover cold potatoes in the fridge.We sometimes had a hash and made with the potatoes, and onions,perhaps with leftover Ham, My mother cooked with leftovers in mind,to create other dishes with.Sometimes a large pot of soup was made and reheated for a day or 2. It always took 15 to 30 minutes to get a meal on the table. Dinner rolls were made quickly.in just a few minutes.There were no restaurants in town and there still are not.