﴿ جَزَآءًۢ بِمَا كَانُوا۟ يَعْمَلُونَ ﴾

“[And this will be] a reward for what they did [in life].”

وَلَحْمِ طَيْرٍ‌ مِّمَّا يَشْتَهُونَ (and the meat of birds that they desire....56:21]. It is recorded in a Prophetic Tradition that the inmates of Paradise will get meat of whatever birds they desire, as and when they desire it.