ENOfficial
‘Umar reported God’s Messenger as saying, "God curse the Jews! Fats were declared unlawful for them, but they melted them and sold them.” (Bukhari and Muslim.)
Source: sunnah.com
Other translations
Arabic
وَعَنْ عُمَرَ رَضِيَ اللَّهُ عَنْهُ أَنَّ رَسُولَ اللَّهِ صَلَّى الله عَلَيْهِ وَسلم قَالَ: «قَاتَلَ اللَّهُ الْيَهُودَ حُرِّمَتْ عَلَيْهِمُ الشُّحُومُ فجملوها فَبَاعُوهَا»
sunnah.com