Prewash your containers and allow them to air dry.
Wash strawberries and remove stems. Crush them with a potato masher for large chunks or in a blender for a smoother jam.
In a large mixing bowl, add crushed strawberries and sugar. Mix well and allow to set for 10 minutes.
While strawberries are setting, combine pectin with 3/4 cup warm water in a separate small bowl.
Add pectin mixture to small sauce pan and bring to a boil over medium heat. Allow to boil for 1 minute.
Remove from heat and and pectin mixture to strawberries and sugar. Stir well for 3 minutes.
Fill jars, allowing 1/2 inch room at the top for expansion when freezing.
Ensure the rims of the containers are clean before adding lids. Allow filled, lidded containers to sit at room temperature for 24 hours, then move to the freezer.