It was narrated that Ibn 'Umar said:"The Messenger of Allah said: 'Wait for it to cool down before you pray the Zuhr
Hadith No. 681
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Sahih
Shuaib Al Arnaut:
Sahih
Zubair Ali Zai:
Isnaad Sahih