Homemade Blackberry Jam

Recipe by MizzNezz
READY IN: 25mins
YIELD: 7 8oz jars


  • 5
    cups crushed blackberries (do not puree, crush with a potato masher)
  • 7
    cups sugar
  • 1
    (1 3/4 ounce) package dry pectin (I use Ball but Sure Jell will work too)


  • Carefully measure out the berries, put them into a very large pot (8qt).
  • Carefully measure sugar in a lg bowl.
  • Add the pectin to the berries a little at a time, stirring constantly.
  • Heat on hi, stirring constantly until mixture comes to a FULL boil.
  • Add sugar ALL at once, stirring.
  • Bring mixture back to a full hard boil, stirring constantly.
  • Boil for 1 minute.
  • Remove from heat and ladle into clean, hot 8oz jars, leaving 1/4 inch space at the top.
  • Wipe the rim of the jar and put canning lids and rings on fingertip tight.
  • Place in canner with very hot water, make sure water is 1 inch above jars.
  • Process in boiling water bath for 10 minutes.
  • Remove and set them upright on a towel to set for 12 hours.