Place one pound of cauliflower into the food processor and pulse until the consistency resembles rice. Be careful not to over process.
Scoop about 2 cups of riced cauliflower into each freezer bag.
Press air out of bag and seal.
Repeat with remaining cauliflower.
Flatten bags and stack to freeze.
To thaw place the cauliflower into the refrigerator 24 hours before you want to use it.