​In the myth of Krishna and the fruit seller, an old hawker woman selflessly satisfies the god child’s desire for her ripe and aromatic produce, even though he seems to offer her practically nothing in return. In folk representations of this allegory of desire (kama) and devotion (bakthi), such as the terracotta icon described above, the sublime mango often stands, metonymically, for the cornucopia of fruit in the old woman’s basket, which in turn represents the desires and delectations of the material life.

This kama is redolent, or indeed ripe, with soteriological promise in that it can be transmuted into the bakthi of a selfless offering to the Lord. To return to the story … One day a fruit seller came to Vrindavan, the village that is young Krishna’s abode. She was a simple woman, old and poor. Little Krishna heard her call and he ran out to her with a handful of grains to trade for his favorite mango. As he was running, the grains fell out between his little fingers and as he made his offer to the fruit seller, there were hardly any left in his hands.

The poor old lady was, however, so charmed by Krishna’s  beauty that she freely gave him all the fruits he desired. On the way home she noticed the basket was heavy and when she arrived she found that the lord had filled it up with celestial jewels. Thus it is shown how love (bakthi) of the greater self (Brahman), recognized metonymically in the more tangible beauty of the young Lord Krishna has great soteriological effect. It is this salvation by selfless giving  that is both the theme and the message of the myth of Krishna and the fruit seller.

http://radhanathswamiyatras.com/articles/vrindavan-articles/radhanath-swami-on-krishnas-mercy-to-fruit-vendor