Jami` at-Tirmidhi 2068
جامع الترمذي#2068Sahihحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، قال حَدَّثَنَا مُعَاذُ بْنُ هِشَامٍ، قال حَدَّثَنَا أَبِي، عَنْ قَتَادَةَ، عَنْ شَهْرِ بْنِ حَوْشَبٍ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ نَاسًا، مِنْ أَصْحَابِ النَّبِيِّ صلى الله عليه وسلم قَالُوا الْكَمْأَةُ جُدَرِيُّ الأَرْضِ فَقَالَ النَّبِيُّ صلى الله عليه وسلم " الْكَمْأَةُ مِنَ الْمَنِّ وَمَاؤُهَا شِفَاءٌ لِلْعَيْنِ وَالْعَجْوَةُ مِنَ الْجَنَّةِ وَهِيَ شِفَاءٌ مِنَ السُّمِّ " . قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ .
Abu Hurairah narrated that people among the Companions of the Prophet (S.A.W) would say:"Truffles are the earth's smallpox." So the Messenger of Allah (S.A.W) said: "Truffles are a form of manna, and its liquid is a cure for the eye. Al-'Ajwah is from Paradise, and it contains a cure for poison
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 28:33