Musnad Abu Ya'la al-Mawsili 116:29

Ahmad narrated to us, Bahz narrated to us, Shu'bah narrated to us, Qatadah informed us, from Anas, who said: The Prophet, peace and blessings of Allah be upon him, used to love gourd or pumpkin. He said: So I saw him one day eating it. He said: So I began placing it before him.