Originally Posted by Len

A few years back, I flew LAX to Amsterdam on KLM in coach. They served the most delicious soda-type drink, called Cassis, if I'm not mistaken; a sparkling red currant beverage. I've not been able to find it anywhere in the US and it wasn't offered on any other airlines I've flown since. Does anyone know anything about this heavenly elixir? Many thanks.