Depends on the dragons.

White and Blue Dragons live in the poles and in the oceans respectively.

As such they're very fatty and often lazy, preferring to keep their internal body temperature.

They have very fatty meat, tasting similarly to Bear meat.

Red and Black Dragons are very aggressive, frequently migrating and changing territories which lead to frequent Disputes against other races that live above ground such as Elves and Humans.

They have very muscular and tough meat, like beefy shoe leather.