Once you've prepared the homemade amaretto and bottled the liqueur, keep the bottles stored in a cool dark spot such as a pantry or cabinet. You can also keep it on a bar cart if your cart isn't in direct sunlight.u003cbr/u003eu003cbr/u003eIf stored properly, in a cool and dark place and with a cork top, or in an air-tight container, this recipe will last for up 6 months.