Preservation Methods In ancient times, preservation was done through smoking or by putting food in salt water. Now, technology has made preservation easier, however, there are certain foods and ingredients that require special preservation. Food and ingredients like Vegetables, Onions, Eggs, etc. We have made a list of how to best preserve meals in the table below.   Food/ Ingredients  Preservation Onions/garlic These are best stored in cool and dry places. E.g. well cleaned, ventilated, and dried baskets. You could also place them in a brown paper bag. Vegetable- Potatoes, carrots, tomatoes  You can store these in plastic bags, wire […]