Sayyiduna Jabir bin Abdullah (may Allah be pleased with them both) narrates: The Prophet (peace and blessings be upon him) said about the Jews: "I will ask them about the soil of Paradise, which is of white flour." The Prophet (peace and blessings be upon him) asked them, and they replied: "O Abu al-Qasim! It is bread." The Prophet (peace and blessings be upon him) said: "Bread is made from flour itself."
Ahmad recorded it, and its chain is hasan (good).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب أهل الجنة / 18722