Despite being a method of processing rather than a specific type of coffee, kopi luwak has been dubbed one of the most expensive coffees in the world, with retail prices for cultivated beans reaching US$100 per kilogramme and US$1,300 for wild-collected beans.
Do you know how your coffee is graded? Probably not, since it's a pretty boring topic. But, if you're at all curious, read on. Coffee grading is actually based on the size and density of the bean.
Have you ever wondered how elevation affects the taste of coffee? According to recent studies, it turns out that the altitude at which your coffee is grown makes a significant difference in its flavor.