Here in Seattle we’ve been experiencing one of our hottest summers on record, so naturally cold brew has become the go-to method for making coffee. We decided to put various brewing techniques, including the Japanese iced coffee method as well as several traditional 24 hour steep cold brews, to a taste test and find which cold coffee beats the heat. Traditional “24 Hour Steep” cold brew methods revolve around immersing ground coffee in room temperature or slightly colder water for a span of 12-24 hours. Since the heat of water just off the boil is what normally causes the soluble...