Place berries in large bowl & mash with a potato masher until well broken down - set aside
In medium bowl combine sugar & pectin- mix
Add mashed berries & mix well - at least 3 minutes
Transfer to small saucepan & bring just to a boil
Remove from heat & cool several minutes before transferring to prepared jars
Store in refrigerator for up to 3 weeks or freeze up to 6 months