Wash and set out the jars or containers you will be using
Wash the berries throughly.
Add the berries to a blender, and mix until it is puree
Add the pureed berries into a bowl, mix in the lemon juice and stir until combined.
Slowly stir in the pectin to the berry mixture, ensuring that there are no clumps of pectin. Once it is all mixed in, allow the berry mixture to sit for 30 minutes.
After the berries sit for 30 minutes, add them to a medium size saucepan, and also add the sugar and the karo syrup.
Constantly stirring this mixture, heat it up until it is no longer cold to the touch. Meaning you can dip in your finger and it does not feel cold. Immediatly remove from the heat.
Pour into prepared jars, and allow them to sit until they have cooled completely before freezing.