Grab a mason jar and add your strawberry and sugar. Tighten the lid, and give this a shake and place into the fridge for 2 hours.

Add vinegar, and cover. Keep this in the fridge for 2 days.

Strain the strawberries through a fine mesh strainer.

Pour the shrub into a new sterile Mason jar. Close lid and store in fridge.

This can be left stored in the fridge for months on end. Just make sure your mason jar is sterile