Instructions

  1. Prepare jars and lids according to manufacturer's instructions.
  2. Combine blueberries, sugar, lemon peel, and lemon juice in a large saucepot.
  3. Bring to a rolling boil over high heat; stir frequently.
  4. Stir in pectin.
  5. Boil hard for 1 minute.
  6. Remove from heat and skim foam (if necessary).
  7. Immediately ladle into hot jars, leaving a 1/4 inch headspace.
  8. Cap and process for 15 minutes in a boiling water canner.