Coriander leaves aren't really suitable for Japanese food.
We don't really use cilantro with Japanese dishes.
この場合、次のような言い方ができますよ。
ーCoriander leaves aren't really suitable for Japanese food.
「和食にあまりパクチーは合わない」
aren’t suitable で「合わない」と言えます。
ーWe don't really use cilantro with Japanese dishes.
「日本食にパクチーはあまり使わない」
ご参考まで!