Come to think of it, I want to go to that gyoza place you recommended.
"そういえば、あの時勧めてくれた餃子屋さんに行きたい"
- Come to think of it, I want to go to that gyoza place you recommended.
- Which reminds me, I want to go that gyoza place you told me about last time!
- I just remembered, I want to go to that gyoza shop you recommended to me the other time.
By the way, I'd like to go to the Gyoza restaurant you recommended to me that time.
I'd like to go to that restaurant you were talking about before.
この場合、次のように言うことができます。
ーBy the way, I'd like to go to the Gyoza restaurant you recommended to me that time.
「そういえば、あの時あなたが勧めてくれた餃子の店に行きたい」
the Gyoza restaurant you recommended to me で「あなたが私に勧めてくれた餃子の店」
ーI'd like to go to that restaurant you were talking about before.
「前あなたが言ってたレストランに行きたいな」
that restaurant you were talking about で「あなたが話してたあのレストラン」
ご参考まで！
アメリカ合衆国 
カナダ 
