First, peel the ginger and garlic.If the ginger root is too big, cut it into smaller pieces. Put ginger, garlic, and water into a food processor and mix for about a minute. Then open the cover, arrange the ingredients a bit with a spatula and mix again. Repeat the process until you get a smooth paste.Put the paste in a tight air jar, store it in your fridge, put it into ice cube tray, and store it in the freezer.When you need it, just take a cube or two out of your freezer and use it with your favorite Asian dish.