The secret to this blueberry jam recipe (and there’s always a secret to the good ones) is not the mango. What kind of secret is that?
Recipe
2 15 0z. bags frozen wild blueberries (7 cups)
2 mangoes, peeled and cut into small cubes (1 1/2 cups)
7 c. sugar
1/4 t. ground coriander
1/2 t. cinnamon
1 packet Sure-Jell pectin
Let the blueberries thaw. Put in a large heavy pot with a flat bottom. Mash well with a potato masher.
Peel and cube the mangoes. This OXO mango cutter makes it easy – it smoothly cuts down on either side of the big flat seed. My video of this tool got the haters riled up; they’re just going have to deal with it.
(Recipe continues below.)
Bring the blueberries to a simmer. Add the packet of pectin, stir well to mix in. Stir in the coriander and the cinnamon. Add the mango cubes. Bring it all up to a good boil, stirring all the while. Reduce to a simmer, cook for 3 minutes.
Add the 7 cups of sugar all at once. Stir to mix it in. Bring the mixture back up to the boil — a good strong boil. Cook for 1 minute.
Remove from heat. Pack into sterilized jelly jars. Seal with clean lids, process in a boiling water bath for 10 minutes.
Makes 13 1/2 pint jars.
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