It is narrated by Talhah Ibn ‘UbaidIllah (ra) who said, “I came to the Messenger of Allahﷺ whilst he ﷺ had a quince in his blessed hand. He ﷺ threw it towards me and said, “Take it O Abu Muhammad! For indeed it soothes the heart.”
(Al Mustadrak ‘alas Sahihain)
Thankfully we have support from Halal or Haram in promoting these Sunnah Foods posters. Other sunnah foods to consider are Pumpkin in your diet.