- 4 medium lemons
- 1 1/4 cups water
- 1/8 teaspoon baking soda
- 1 cinnamon stick
- 3 cups crushed fresh or frozen raspberries
- 7 cups sugar
- 1 (3 ounce) pouch liquid fruit pectin
- Grate peel from lemons and place in a medium saucepan. Trim white pith from lemons and discard. Cut lemons in half and remove the seeds. Chop pulp; set aside. Add water, baking soda and cinnamon to saucepan; bring to boil. Reduce heat; cover and simmer for 20 minutes. Add lemon pulp; return to a boil. Reduce heat; simmer, uncovered, for 10 minutes. Remove cinnamon. In a large kettle, combine the raspberries, sugar and lemon mixture; bring to a full rolling boil, stirring constantly. Boil for 2 minutes. Quickly stir in pectin; return to a bull rolling boil. Boil for 1 minute, stirring constantly. Remove from the heat; skim off any foam. Pour hot into hot jars, leaving 1/4-in. headspace. Adjust caps. Process for 10 minutes in a boiling water bath.