Coffee Ice Cubes When brewing your own coffee sometimes you are faced with left over coffee and it just doesn't seem right to pour it down the sink or at times you just need that exta hit of coffee. Why not make your own coffee ice cubes, they can be used to add extra flavour to your coffee hot or iced. Equipment Minipresso NS / CA / GR Coffee Machine The Bod Cold Brew Coffee System Aeropress & Porlex Coffee Grinder Ice Tray Ingrediants Left over Coffee or Brew up coffee to make your Coffee Ice Cubes Method Brew your coffee. Pour your brewed coffee into the ice cube tray. Place ice cube tray in freezer overnight.