Printing may not work inside Facebook. Open this page in Safari or Chrome using Facebook’s browser menu, then tap Print again.
Wash the blackberries and place them in a sterilised 1.5 litre preserving jar.
Add the sugar and lightly crush the berries with the sugar.
Pour over the vodka, seal the jar and shake. Leave to infuse in a cool place for 2-4 weeks.
Strain the vodka into a sterilised bottle.
Serve your delicious blackberry vodka chilled, preferably from the freezer.