Answer - The elephant head lord loves his morals. It is his favourite food and gives him the name of Modak Priya. As a result, the sweet and beautiful dumpling is offered as prasad. It is prepared using jaggery, coconut and rice flour.
Similarly, satori - A Maharashtrian dish that uses sweet, khoya, milk, ghee and besan. It is a rich delicacy and has a unique taste that makes it worth offering to Lord. Also, Puran Poli is a Maharashtra special that uses flat pieces of bread made of lentils, jaggery, etc. Ghee, elaichi, etc., is also important.
Lord Ganesha is also fond of eating motichoor ladoo, and this makes it a special for the occasion. These can melt in the mouth and are a perfect item for the bhog.