If it is eaten with bread
Brocho before eating this: Hamotzi Lechem Min Ha'aretz
Brocho after eating the proper shiur of this: Bentching
If it is eaten alone
Brocho before eating this: Shehakol Niyeh Bedvoro
Brocho after eating the proper shiur of this: Borei Nefashos
Source: The Laws of B'rachos (page 379)