Sahih Muslim | Book 23 | Hadith Number 5068

Narrated by Anas b. Malik
Anas b. Malik reported that a person invited Allah's Messenger (may peace be upon him) to a meal. I also went along with him. He brought soup containing pumpkin. Allah's 'messenger (may peace be upon him) ate that pumpkin with relish. He (Anas) said: When I saw that I began to place it before him, and did not eat it (myself). Anas said: It was since then that pumpkin was always my favourite (food).