It's time to break fast, so you can have full meal or small meal if you want.
But if time period between Maghrib and Isha is short, like a little bit over an hour, I just eat small portion and drink water and then offer Maghrib salat.
You can also make dua upon breaking fast as this hadith says
[FONT="]It was narrated from ‘Abdullah bin ‘Amr bin ‘As that the Messenger of Allah (ﷺ) said: “When the fasting person breaks his fast, his supplication is not turned back.” (Ibn Majah)[/FONT]