Abu Hazim (may Allah have mercy on him) said: I saw Abu Hurayrah (may Allah be pleased with him) pointing repeatedly with his fingers (and saying): By the One in whose Hand is my soul, the Prophet (peace and blessings be upon him) and his family never ate their fill of wheat bread for three consecutive days, until he departed from this world.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب النكاح / 13308