Langar (kitchen) is the term used in the Sikh religion for the common kitchen/canteen where food is served in a Gurdwara to all the visitors, without distinction of faith, religion or background, for free.
At the langar, mostly only vegetarian food is served, to ensure that all people, regardless of their dietary restrictions, can eat as equals.
In Sikhism the practice of the langar, or free kitchen, is believed to have been adopted by the first Sikh Guru, Guru Nanak. It was designed to uphold the principle of equality between all people regardless of religion, caste, colour, creed, age, gender or social status, a revolutionary concept in the caste-ordered society of 16th-century India where Sikhism began. In addition to the ideals of equality, the tradition of langar expresses the ethics of sharing, community, inclusiveness and oneness of all humankind. “…the Light of God is in all hearts.