This is the recipe I use, makes 7 qts.
Blueberry pie filling
6 quarts fresh or frozen blueberries -*if using frozen, thaw, drain, use reserved juice as part of the water measurement
6 cups sugar
2 1/4 cups clear jel, cook type
7 cups cold water
1/2 cup bottled lemon juice
20 drops blue food coloring(optional)
7 drops red food coloring (optional)
Combine sugar and clear jel in a large kettle. Add water and food coloring. Cook on medium heat until mixture thickens and begins to bubble. Add lemon juice and boil one minute, stirring constantly. Fold in berries and fill jars quickly, leaving 1/2 inch head space. Process in water bath canner, 35 minutes.
Blueberry pie filling
6 quarts fresh or frozen blueberries -*if using frozen, thaw, drain, use reserved juice as part of the water measurement
6 cups sugar
2 1/4 cups clear jel, cook type
7 cups cold water
1/2 cup bottled lemon juice
20 drops blue food coloring(optional)
7 drops red food coloring (optional)
Combine sugar and clear jel in a large kettle. Add water and food coloring. Cook on medium heat until mixture thickens and begins to bubble. Add lemon juice and boil one minute, stirring constantly. Fold in berries and fill jars quickly, leaving 1/2 inch head space. Process in water bath canner, 35 minutes.