I started with a gluten-free potato vodka.
I crushed 1 t organic green cardamom pods and 1 t black caraway seeds in a mortar then placed all of that with 1 lb deseeded medjool dates in a small saucepan. I covered it with vodka - just enough to submerge the dates - and heated the mixture until it just began to steam. I placed all of that plus the remainder of the vodka in a large glass container. Cover and let the mixture age in a cool place for 10 days. Stir once or twice.