How to make a cup of coffee using perfect Pod reusable K-Cup and your Own Coffee Grounds to make a single cup of coffee on the K-Cup side of the Keurig K-Duo Walmart Keurig K-Duo Essentials Coffee Maker, with Single Serve K-Cup Pod and 12 Cup Carafe Brewer, Black. I show you how to make a pot or brew a 12 cup pot of coffee. Walmart # 573916253. MULTIPLE BREW SIZES: Brew an 8, 10, or 12-cup carafe and an 8, 10, or 12 oz. cup. The 60 oz. water reservoir is shared between the single serve and carafe brewing, [More]