I saw the Messenger of Allah ﷺ picking out the gourd from the dish, so I have loved it ever since.
حدثنا محمد بن ميمون المكي حدثنا سفيان بن عيينة حدثني مالك بن أنس عن إسحق بن عبد الله بن أبي طلحة
رأيت رسول الله ﷺ يتتبع في الصحفة يعني الدباء فلا أزال أحبه
Agreed upon (by Bukhari and Muslim). Bukhari related it in the Book of Foods, chapter on eating around the edges of the dish with one's companion when no dislike of it is known from him, hadith no. 5379, and Muslim, hadith no. 2041, both from the hadith of Malik through this chain, and it is found in Muwatta 2/546, 547 in full.