Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
muslim:2041cḤajjāj b. al-Shāʿir And ʿAbd b. Ḥumayd > ʿAbd al-Razzāq > Maʿmar > Thābit al-Bunānī Waʿāṣim al-Aḥwal > Anas b. Mālik

I heard Anas saying that any meal that was prepared for me after that I tried that it should contain pumpkin.  

مسلم:٢٠٤١cوَحَدَّثَنِي حَجَّاجُ بْنُ الشَّاعِرِ وَعَبْدُ بْنُ حُمَيْدٍ جَمِيعًا عَنْ عَبْدِ الرَّزَّاقِ أَخْبَرَنَا مَعْمَرٌ عَنْ ثَابِتٍ الْبُنَانِيِّ وَعَاصِمٍ الأَحْوَلِ عَنْ أَنَسِ بْنِ مَالِكٍ

أَنَّ رَجُلاً خَيَّاطًا دَعَا رَسُولَ اللَّهِ ﷺ وَزَادَ قَالَ ثَابِتٌ فَسَمِعْتُ أَنَسًا يَقُولُ فَمَا صُنِعَ لِي طَعَامٌ بَعْدُ أَقْدِرُ عَلَى أَنْ يُصْنَعَ فِيهِ دُبَّاءٌ إِلاَّ صُنِعَ