Instructions

  1. Use a very large pot.
  2. When the jam reaches a full rolling boil it will double in volume.
  3. Heat mashed berries until they reach a full rolling boil.
  4. Boil 2 minutes.
  5. Add sugar.
  6. Stir well.
  7. Bring to a boil, stirring constantly, boil for 2 minutes.
  8. Remove from heat.
  9. Beat with rotary beater for 4 minutes
  10. Pour in sterilized jars and seal.