Looking on the internet deeply has found these results:

This is the first time to try Japanese food. is the most popular phrase on the web.

This is the first time I've tried Japanese food. 110,800,000 results on the web	This is the first time to try Japanese food. 119,500,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
This is the first time I've been here since my nanny died. This is the first time I've done anything remotely misbehavioral. This is the first time I've regretted my past. This is the first time I've seen you lack imagination. This is the first time I've baked a cake. This is the first time I've smoked. This is the first time I've added a sentence in Dutch. This is the first time I've ever heard of one being arrested...	This is the first time he's killed a male. This is the first time he tried gelatto. This is the first time there hasn't been a beetle in here. ranging approach to provisions concerning the quality and safety of food. This is the first time I am speaking publicly about the disaster that happened. This is the first time I've done anything remotely misbehavioral. This is the first time she seems human. This is the first time the European Commission, the Council and the Parliament have adopted such a thorough and wide

This is the first time I've tried Japanese food.

110,800,000 results on the web

This is the first time to try Japanese food.

119,500,000 results on the web

More popular!

This is the first time he's killed a male.
This is the first time he tried gelatto.
This is the first time there hasn't been a beetle in here.
ranging approach to provisions concerning the quality and safety of food.
This is the first time I am speaking publicly about the disaster that happened.
This is the first time I've done anything remotely misbehavioral.
This is the first time she seems human.
This is the first time the European Commission, the Council and the Parliament have adopted such a thorough and wide