To make your own hashbrowns you will need:
Potatoes!!! Yep that is it. Well you will need some equipment and water, but no preservatives.
You can buy your potatoes or harvest your own. These are ones from our own garden, but in the past I have gotten those big bags of potatoes and then wasted them because we didn't know what to do with all of them. Now I know!
Wash and peel your potatoes.
Cut them into large chunks. Place them into cold water and bring to a boil. Boil for 10 mins. This will keep them from browning in the freezer.
I forgot to take a picture, but after they have boiled. Drain them and place in cold water to stop the cooking process. Keep them in water and place in the refridgerator overnight.
Using a food processor grate or shred your potatoes. You will notice how dry they come out. This is a good thing. Dry potatoes are what make your crispy yummy hashbrowns.
Place in gallon ziploc freezer bags. I put 2 pounds in each bag. This way if I have a recipe that calls for hashbrowns they are in the same size bags you would buy from the store. Lay them flat and get all the air out of them. Lastly place them in your freezer. Easy Peasy. And Cheap too!