Yes, the really long surah.
And the really fascinating surah.
Some wonderful person out there has partially translated the tafsir of Surah Al-Baqarah from Adwaa Al-Bayaan*, may Allah reward him/her greatly.
[*This is one of the great books of tafsir. It’s quite recent. It was written by Imam As-Shinqeeti (rahimahullah) who was from Mauritania. He explained the ayaat by using other ayaat (and this is the first step of doing tafsir). This translation isn’t the full thing but seems to be an abridgment.]
Here’s the abridged translation of the tafsir of Ayah No. 1 – Ayah No. 173.