[header] How to make a coca cola slurpee [title] Pour 4 cups (946 g) of ice into a blender. [step] Process it until it is crushed. You may need to do this in a few batches, depending upon the size and strength of your blender. 
[title] Pour the crushed ice into a container and place it in the freezer, to be used later. [title] Pour 2 cups (473 ml) of water into the empty blender.