Amazon's 20 Best Under $20 Gifts Include an Oprah Favorite 8 oz Double Wall Coffee Cups 500 Count Gourmet Basics by Mikasa Band and Stripe 6 Mug Tree with Bottom Basket Starbucks 2018 Been There Series USC Trojans Campus Recipe below, Cold Brew: 1:8 ratio of coffee to water, We used 1L of water, 80g of Coarse ground coffee, 1) Simply add the water and coffee into a clean and sterile glass (ideally but not essential)