noun which may take the genitive case particle 'no', noun
authentic style; in the original local style
Describes something made or done in the genuine manner of its place of origin, often used for food, crafts, or performances.
この店のラーメンは本場風の味がする。
The ramen at this shop tastes authentic, just like in its place of origin.
彼女は本場風のインドカレーを作るのが得意だ。
She is good at making Indian curry in the authentic style.
本場 is a noun meaning 'home' or 'place of origin', whereas 本場風 is an adjective-like compound meaning 'in the style of the original place'.
Compound of 本場 (ほんば, 'home' or 'place of origin') and 風 (ふう, 'style' or 'manner').