Wash the elderberries thoroughly and remove them from the umbels with a fork. Place the berries in a pot. 1⁄4 Pour on l water, heat briefly (do not bring to the boil!). Drain well in a sieve and let cool down.
Put the elderberries, vanilla sugar and rock candy into a clean, well-closed large glass. Pour in vodka (all ingredients must be covered with the vodka).
Close the glass well and let the liqueur steep in a dark place for 6-8 weeks. Turn the glass carefully several times in between. Pour the liqueur through a fine sieve, squeezing the berries slightly. Pour the liqueur into a bottle.
Shelf life 6-9 months.