Blend on high for 1-2 minutes or until the coffee is creamy and smooth.
Notes
Each ice cube in the tray I used is 3/4 oz.If your blender struggles with actually blending ice, let the coffee cubes sit for 10 minutes with the milk and cold brew. This will soften them up a little bit to make for easier blending, while still giving the coffee an icy base.You can use whatever milk works best for your dietary needs.Once you've strained your cold brew, get another batch started and make more ice cubes.