Whether you buy ground coffee or grind the coffee at home is the mill of great importance.
The same coffee blend tastes different depending on how you grind it. A coarser grind makes the coffee lighter and healthier. A finer grinding gives a fuller, richer but also harsher cup of coffee.
Good grinding discs is important for the grains to be ground coffee as evenly as possible, which in turn affects the taste after brewing. Worn or poor mills can heat or burn the coffee. The discs provide a smoother grinding compared to malknivar. If you have an espresso machine you need a special espresso grinder with grinding discs.
Grind the coffee just before cooking to get as many flavors as possible or buy pre-ground coffee which is packed in a oxygen-tight packaging.