1) Combine in a saucepan and bring to a simmer.
2) Remove from heat. Cool.
3) Strain out fruit with a sieve and your shrub is ready to use.
1) Put your shrub in a saucepan over low heat and reduce it until it coats the back of your spoon.
2) Remove from heat.
3) Drizzle over a peach crumble or enjoy it over vanilla ice cream. This gastrique should last for many months in your fridge, if you can save it that long!
Yield 1½–2 cups syrup