It is narrated from Sayyiduna Jabir (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: May Allah's curse be upon the Jews. When Allah made fat unlawful for them, they melted it, sold it, and began to consume its price.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 14977
Hadith Gradingحکم دارالسلام:حديث صحيح، خ: 2236، م: 1581 ، أبو الزبير لم يصرح بسماعه من جابر، وانظر: 14472