In a jar put a liter of cold water, ice cubes, squeeze two lemons (or more) and sweeten to taste.
In a glass, preferably made of glass or metal, pour 2/4 parts of yerba mate.
Cover the glass with the palm of your hand. Invert it and shake it vigorously. Return it to its normal position. Insert the bombilla , add an ice cube and dink it the same way a hot mate.
tip : You can also use other fruit juice , sprigs of mint and other herbs, or instant yerba mate.