It was
narrated that ‘Aishah said:
“The Messenger of Allah (ﷺ) used
to
perform two Rak’ah before Fajr, and he used to say: ‘The best two
Surah to recite in the two Rak’ah of Fajr are: “Say: Allah is
One”
[Al-Ikhlas (112)] and “Say: O you disbelievers.”
[Al-Kafirun (109)]