Slice the peel finely or coarsely, depending on how you like your marmalade. Put the peel, orange and lemon juice ... to prevent the peel from floating. Pot into hot sterilized jars.

Wash the oranges and wipe them dry. Cut each Seville orange in half ... and marmalades because the high amount of pectin helps the marmalade set up more stiffly. To test the marmalade, turn ...