Why kheer is kept under the moon light on sharad purnima?

Sharad Purnima night has special significance in the Hindu religion. On this day, people fast, take bath in the Ganges and make kheer in the house at night and keep it in the light of the moon. It is believed that kheer becomes more delicious due to the light of the moon, so it is distributed as a Prasad. But what is the religious reason behind this belief, know from Shailendra Pandey.