This czech sidecar recipe from oregon spirit distillers is a wonderful sour that takes full advantage of the plummy flavors of a good slivovitz. The sugar-spice rim isnt just a garnish; its a necessary component that plays up the baked-pie flavors buried under the surface of strong plum brandy. Weve specified a pinch each of sugar and spices because thats what ends up on the glass, but in practice youll probably need more in order to be able to easily rim the glass.