Blueberry Jam from food in jars
Makes 3 1-pint jars
6 C smashed blueberries (about 3 quarts) (Don't skip the smashing, it's important!)
4 C sugar
zest and juice of 1 lemon
2 tsp cinnamon
1/2 tsp freshly grated nutmeg
2 (3-oz) packets liquid pectin
Combine berries and sugar in large pot.
Bring to boil over high heat and add zest, juice, cinnamon, and nutmeg. Cook for 15-20 minutes, stirring frequently until jam is shiny and thick looking.
Add pectin and return to rolling boil for a full 5 minutes.
Remove from heat, fill jars, and process in water for 10 minutes.