It is narrated from Sayyidah Umm Hani (may Allah be pleased with her) that the Prophet (peace and blessings be upon him) and Sayyidah Maymunah (may Allah be pleased with her) took a ritual bath from a single vessel, in which there were traces of dough.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 17