Is Akshaya Patra mentioned in the Mahabharata? If so, what is the story?
Paramahansa Yogananda, is his book Autobiography of A Yogi , narrates a similar incident
...“As soon as each man had expressed his preferences, the FAKIR addressed himself to the inexhaustible Hazrat. A great rattle ensued; gold platters filled with intricately−prepared curries, hot LUCHIS, and many out−of−season fruits, landed from nowhere at our feet. All the food was delicious. After feasting for an hour, we started to leave the room. A tremendous noise, as though dishes were being piled up, caused us to turn around. Lo! there was no sign of the glittering plates or the remnants of the meal.”...
Also, is it related to Akshaya Tritiya? If so, what is the connection?
This question discusses various possible reasons behind the festival of Askhaya Tritiya without any mention to the Akshaya Patra.