If freezing potatoes for hash browns without cooking, shred the potatoes and blanch them for 1 to 2 minutes.
Rinse in a bowl of ice water, then drain and dry the shredded potatoes thoroughly.
Freeze in a single layer on a parchment-lined baking sheet.
Once solid, transfer the frozen potato shreds to your freezer-safe containers.
If your frozen hash brown potatoes are cooked, allow them to cool, then freeze until solid on a parchment-lined baking sheet.
Once frozen, transfer the hash browns to your freezer-safe storage bags, removing any excess air.
Label with the date and freeze.