It is narrated from Sayyiduna Abu Amrah al-Ansari (may Allah be pleased with him) that he said: "We were with the Messenger of Allah (peace and blessings be upon him) in a military expedition when severe hunger and starvation overtook the people. The people asked the Messenger of Allah (peace and blessings be upon him) for permission to slaughter some of their riding camels, and the Messenger of Allah (peace and blessings be upon him) intended to give them permission for it. At that, Sayyiduna Umar bin al-Khattab (may Allah be pleased with him) said: 'O Messenger of Allah, what do you think: if we slaughter our mounts, then tomorrow when we face the enemy, will we be hungry and on foot?' The Messenger of Allah (peace and blessings be upon him) asked: 'Then what is your opinion, O Umar?' He said: 'Order the people to bring the remains of their provisions, then supplicate for blessing in them for us; surely Allah, the Mighty and Majestic, will bring us (to our destination) through the blessing of your supplication, if Allah wills.' The narrator said: It was as if the Messenger of Allah (peace and blessings be upon him) had been (in some deep thought or state) and that state was removed. He (peace and blessings be upon him) called for a sheet and ordered it to be spread out, then told the people to bring the remains of their provisions. The people brought whatever they had: one brought a handful of grain or a bowl of food, and another brought something the size of an egg. The Messenger of Allah (peace and blessings be upon him) ordered it to be placed on that sheet, then he supplicated for blessing in it and said the words that Allah willed him to say. Then an announcement was made in the army and the people came. At his (peace and blessings be upon him) command the people ate their fill and filled their vessels and bags. Then he (peace and blessings be upon him) called for a small leather vessel, which was placed before him (peace and blessings be upon him); then he (peace and blessings be upon him) called for water and poured it into it, then rinsed his mouth into it and said the words that Allah willed. Then he (peace and blessings be upon him) put his little finger into it. By Allah, I saw springs of water gushing from the fingers of the Messenger of Allah (peace and blessings be upon him). Then he (peace and blessings be upon him) gave the order to the people, and they drank, gave water to their animals, and filled their water-skins and vessels. Then the Messenger of Allah (peace and blessings be upon him) laughed so much that his (peace and blessings be upon him) molar teeth became visible. He (peace and blessings be upon him) said: 'I bear witness that there is none worthy of worship except Allah, alone, with no partner, and that Muhammad (peace and blessings be upon him) is His servant and His Messenger. Whoever meets Allah on the Day of Resurrection with (the testimony of) these two will enter Paradise, whatever his (deeds) may have been.'"
Imam al-Tabarani (may Allah have mercy on him) said: "No one narrated this hadith from al-Zuhri (may Allah have mercy on him) except Abdullah bin al-Ala' (may Allah have mercy on him), and his son is alone in (narrating it from) him."
Hadith Referenceالمعجم الأوسط / باب الألف / 63
Hadith Takhrij«أخرجه ابن حبان فى «صحيحه» برقم: 221، والحاكم فى «المستدرك» برقم: 4257، والنسائي فى «السنن الكبرى» برقم: 8742، 10912، وأحمد فى «مسنده» برقم: 15688، والطبراني فى «الكبير» برقم: 575، 52»