1 cup water
1 tablespoon instant coffee granules
3 scoops vanilla ice cream
2 cups chocolate milk
Mix water and instant coffee together in a cup until dissolved; pour into ice cube trays. Freeze 8 hours to overnight.
Blend coffee ice cubes, ice cream, and chocolate milk in a blender on medium speed for 1 minute. Increase speed to high and blend for 30 seconds more.