To use, place frozen sauce in a pot and reheat on the stove until warm.
This homemade spaghetti sauce can be easily made ahead of time.  Store it in the fridge for 3 to 4 days or freeze it.  Before freezing spaghetti sauce, allow the mixture to cool completely.  Label a gallon freezer bag and fill it with the sauce.  Store it on a flat surface so that it freezes into a flat shape that will store easily.  Store it for up to 4-6 months.  To use, place frozen sauce in a pot and reheat on the stove until warm.