Hadith #3836 (Sunan Abi Dawud)
Book: Foods (Kitab Al-At'imah)
Narrator(s): al-Walid bin Mazyad الوليد بن مزيد, Sulaym bin 'Amir al-Kula'i al-Khaba'ri سليم بن عامر الكلاعي الخبائري
Grade: Sahih

The Messenger of Allah (ﷺ) used to eat melon with fresh dates, and he used to say: The heat of the one is broken by the coolness of the other, and the coolness of the one by the heat of the other.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-3836/