Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
suyuti:1811a

When you are invited to a feast (even though it is) the leg of the sheep, you should accept it. (Using translation from Muslim 1429i)   

السيوطي:١٨١١a

"إِذا دُعيتُمْ إلى كُرَاع فأجِيبُوا" .  

[م] مسلم [حب] ابن حبّان عن ابن عمر

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Collected by Muslim
muslim:1429iḤarmalah b. Yaḥyá > Ibn Wahb > ʿUmar b. Muḥammad > Nāfiʿ > Ibn ʿUmar

When you are invited to a feast (even though it is) the leg of the sheep, you should accept it.  

مسلم:١٤٢٩iوَحَدَّثَنِي حَرْمَلَةُ بْنُ يَحْيَى أَخْبَرَنَا ابْنُ وَهْبٍ حَدَّثَنِي عُمَرُ بْنُ مُحَمَّدٍ عَنْ نَافِعٍ عَنِ ابْنِ عُمَرَ

أَنَّ النَّبِيَّ ﷺ قَالَ إِذَا دُعِيتُمْ إِلَى كُرَاعٍ فَأَجِيبُوا