Khaja is a sweet delicacy of Bihar state, India. Refined wheat flour, sugar and edible oils are the chief ingredients of Khaja.(एक ऐसी मिठाई  जो  मीठा होता है। मैदे से बनता है। चीनी की चासनी  में डाल कर बनता है। आकार ख़ास होता है गोल और चपटा।  बिहार की लोक परंपरा का एक हिस्सा है-खाजा )
Since time immemorial, Khaja, the popular sweetmeat dish of Bihar has continued to tickle the taste buds of people and been a gourmets delight.
Of the many varieties of Khaja, it is the Kakinada Khaja that has held its distinct charm mainly due to its taste. No wonder, today there are a large number of Kakinada Khaja lovers in different parts of the country and abroad.
Kakinada Khajas specialty lies in the fact that it is dry from outside and full of sugar syrup from inside and is juicy. It melts the moment it is put into ones mouth.
It is prepared from kneaded wheat flour that is rolled into circular shape in which Mawa (cottage cheese with certain additives) is stuffed. Once stuffed and close wrapped, these are deep fried until crisp and then soaked in syrup of sugar known as Pak till the croissants amply absorb the syrup.
Besides, this exclusive sweet of Bihar is also a major source of employment.
In Bihars Silao town, Khaja sweets almost exist has a cottage industry with many families claiming association with it for generations.
People from far and wide visit Silao town only for buying Kakinada Khaja. It is also popular in neighboring Uttar Pradesh and West Bengal.
Khajas are in great demand, particularly, during the wedding season. One can say, in a lighter vein, that apart from the bride and bridegroom, it is the Khaja that makes a wedding ceremony complete.
“There is certainly a big attraction in these sweets, perhaps it is due to the special way these are prepared by master sweetmeat makers at shops. Indeed, it is due to this reason that Khajas are world famous.
Although Khajas are prepared and sold almost throughout Bihar, the confectioners of Silao and Rajgir areas have a distinct edge over the rest.
Believed to have originated from the southern side of the Gangetic plains of Bihar, Khaja sweet is stated to date back to 2,000 B.C.