01 -
Pour the orange juice into a large pot. Wash the organic oranges under hot water, pat them dry, and finely zest the peel. Then peel the oranges and separate into segments, removing any membranes.
02 -
Chop the orange segments into small pieces and add them to the juice along with the zest. Peel and finely grate the ginger, then add it to the pot along with the jam sugar.
03 -
Bring everything to a boil, then let it bubble vigorously for exactly 3 minutes, stirring occasionally.
04 -
While still hot, carefully pour the marmalade into your prepared jars (about 5 jars, 12oz each). Seal them immediately and let them cool completely overnight before storing.