Ensure the jars, lids, and rings are clean and sterilized by inspecting and washing them properly.
After washing and crushing the berries, pass half through a cheesecloth or sieve to remove some seeds.
Into a large pot, transfer all of the crushed berries.
Over high heat, stir constantly while adding the sugar and bringing the mixture to a full boil.
Continuously stir the mix while adding the pectin and boiling for one minute.
Ladle the mixture into the jars quickly, leaving 1/8 inch of space at the top and skimming off any foam.
Make sure there are no air bubbles inside the jars by running a clean knife around the inside.
Top the jars with lids and screw them on tightly after wiping off the jar rims with a moist paper towel.
Using a rack at the bottom of a large stockpot, place the jars in a holder.
Submerge the jars in boiling water until they are at least an inch deep.
For 5 minutes, cook the jars covered in boiling water.
Allow the jars to rest for 24 hours several inches apart after they are removed from the pot.
Make sure the lids aren't moving by pressing the center with your finger.
You can store the jars for up to a year after removing the rings.