Before serving schnapps, turn the bottle upside down. Schnapps that has been standing for a longer period of time, separates — lighter components such as aromas and alcohol rise while heavier components such as water sink.
Before tasting it, you should let the schnapps breathe in the glass for some minutes to allow it to reveal its typical characteristics. And: Very important to choose the right glass. Generally, tall, slim glasses are to be recommended with the stem opening slightly at the top.