What is the best way to store the coffee bags and single serve packets? July 20, 2022 17:32 Updated The best way to store them is at room temperature, in a dry space out of direct sunlight. Related articles Do the single serve bags ever expire? Is the cherry flavor strong or mild? Does the cold brew have espresso roast in it? How many cups of coffee can you make with one Chamberlain Coffee single serve bag? Where is Chamberlain Coffee produced?