Pour all ingredients into a 1.5 liter high, sealable glass jar. Slice open the vanilla pod and chop the cinnamon stick. Place the jar in a dark place and shake it daily.
When the sugar is dissolved, filter the liqueur through a cheesecloth and fill into bottles. The liqueur is ready after approx. 3 - 4 weeks.
I always use the steam juicer to make elderberry juice.