Inspired by a segment in a recent "Good Food" podcast I bought some blackberry drinking vinegar at Hmart for $4.99. Apparently you can also buy a fancier version from the folks at Pok Pok. I am not sure it would be 3 times as delicious. I made two versions, the second one with a little Cynar. I liked that one better so it's the recipe listed below.
Bourbon Berry Shrub
1 oz. bourbon
3/4 oz. Luxardo
1/2 oz. Cynar
3/4 oz. drinking vinegar
Put all over ice in a shaker and shake vigorously. Strain into highball glass with large format ice cubes.
You can also add a shot of this drinking vinegar to soda water--I think I used a 4:1 ratio of soda:vinegar for a refreshing non-alcoholic beverage.