How can I prevent my freshly grated parmesan cheese from clumping together and becoming hard in the freezer?

To prevent freshly grated parmesan cheese from clumping and becoming hard in the freezer, you can add a small amount of cornstarch or flour to the cheese before freezing. This will help absorb moisture and prevent clumping. Additionally, make sure to store the cheese in an airtight container or freezer bag to minimize exposure to air and moisture.