Skin the tomatoes by cutting an X at the top and plunging into boiling water for 1 minute then into cold water and rubbing off the skins.
Cut out the hard cores and disscard.
Chop tomatoes into small pieces and pop these into a large pan along with the grated ginger, cinnamon, lemon juice and zest, chopped chilli and salt and pepper.
Bring to the boil and then lower temperature and simmer for 10 minutes.
Add the sugar and stir till dissolved then raise temperature to boil.
Boil for approximately 15 minutes until you reach the setting point (saucer test or 105C/220F).
Allow to cool for a few minutes before stirring in the chopped basil.
Spoon into sterilised jars and top each with a teaspoon of vodka and stir in.
Add your lids and keep this yummy little delight in the fridge for up to 6 weeks.
Makes 4 small jars.