Brocho before eating this: Shehakol Niyeh Bedvoro
However, if very spicy (sharp), and cannot be eaten alone, and no enjoyment from eating: no brochos are required.
Brocho after eating the proper shiur of this (if made Brocho Rishona): Borei Nefashos
Also see: Charif
Source: Sefer Sharei Haberacha (page 629)