200gfresh blackberries(~ 1 1/2 cups) - plus more to serve
440mlapple cider(~ 2 cups)
3sprigs fresh thyme
Add all the ingredients to a large saucepan, and bring to a gentle simmer. Cook for at least 5 minutes over a low heat, then pass the mixture through a fine strainer to produce a clear liquid. Serve with more fresh berries and thyme, if desired.