Wash the tangerines thoroughly.

Quarter them without removing the peel.

Boil them for a couple of minutes.

Discard that water and boil them again for a couple of minutes.

Strain and allow them to cool (if they have any seeds press each piece to remove them).

Place the sugar and tangerines together in a pot.

When the fruits let out their liquids...

Remove the peel and blend them into small piecesin a blender.

Place them back in the pot and boil for 10 minutes.

Allow the marmalade to set for 24 hours. Boil for an additional 5 minutes

And add the lemon juice.

Let it cool and store in sterilized jars.