5heaping cups strawberries, cleaned and hulled and cut in half
small patunsalted butter
7cupssugar (I use 6 cups)
Add strawberries to a large stockpot and start mashing up over high heat. Add SURE JELL and butter and bring to a hard boil.
Add the sugar all at once and stir to mix and dissolve and bring back to a roiling boil.
Time for 1 minute and then do a spoon check as described above.
Pour into prepared jars to 1/8" from the rim. Wipe clean and then put lids and screw caps on the jars.
Bring a large pot of water to a boil. Process for 10 minutes in a boiling water bath, covering the jars by at least one inch of water. Carefully remove and let rest, undisturbed on the counter, for 24 hours. Store any unsealed jars in the refrigerator.