I heard that it's mustahab to read from specific Surahs in quran in each of he five fardh prayers (i.e, Fajr, Dhuhr, Asr, Maghrib, and Ishaa).
What are these Surahs for each prayer? and who recommended that?
First I will have to define the word "Mufassal Surahs":
They are surahs from Al-Hujurah to the end of Quran. They're called so because they are relatively short compared to the surahs before them. So when reading them we say basmalah too often because surahs are short and finish quickly (so when starting the next one we say basmalah).
Now here we come:
Where did this recommendation come from?
It came from a letter that Khalifah Omar Ibn Al-Khattab sent to Abu Musa Al-Ash'ari (may Allah be pleassed with both of them) that said:
Hope that's helpful.