An easy blueberry jam recipe by Real Simple involves cooking blueberries with sugar, lemon juice and salt in a saucepan until it reaches a desirable consistency. Other simple recipes for blueberry jam include the ginger-spiked blueberry jam from The New York Times and the lavender-infused blueberry jam from Country Living.
To make a basic blueberry jam, place 5 cups of blueberries, 1/2 cup of sugar, 1 tablespoon of fresh lemon juice and 1/4 teaspoon of kosher salt in a saucepan. Crush the berries, and allow the mixture to bubble over medium-high heat for approximately 20 minutes or until it thickens sufficiently, stirring every now and then during this process.
Make blueberry-ginger jam by mixing 4 cups of blueberries, 1 cup of sugar and 1 tablespoon of port wine in a saucepan. Add the zest from a lemon and 1/2 teaspoon of finely grated fresh ginger. Briefly boil the mixture over high heat before simmering it over low heat for approximately 30 minutes to form a thick, glossy jam.
To prepare lavender-ginger jam, tie up 2 tablespoons of dried culinary lavender in a piece of cheesecloth, and place it in a saucepan with 3 cups of blueberries and 1 can of frozen white grape juice concentrate. Boil the mixture, and stir it frequently for approximately 20 minutes or until it develops a jelly-like consistency. Allow the jam to stand for two hours before discarding the lavender sachet.