Lord Ganesha worship is a regular part of life. He is worshiped daily anytime, but you should worship Lord Ganesh in the place that is quiet without noisy to get mental peace or at night time or at dawn
Make a wish. Pray ‘Om Shanti Shanti’ when the prayer was finished for the peace to come.
For incense sticks or frankincense, you have to wait until them burn out then leave the sacrificesBring all sacrifices touch your forehead and pray ‘Om’ to leave the sacrifices.
For fruits and dessert, arrange them in the plate and offer all to those who do attended the Puja as an ambrosia
(Do not eat the dessert on the tray that used to worship)
Clean all wares and keep in the special place
Preparing sacrifices (If you do not have sacrifices , you can pray with respect or donation)
Wares-separate wares that will use to worship the Ganesh. Do not use with other wares.
Sacrifices: water , Fruits , Milk and desserts
Strictly Separate a bottle of water and a glass that will be used to worship the Ganesh
Fruits-use seasonal fruits such as banana , sugar crane , Chinese Pear , Coconut , Rose apple etc.
Desserts-arrange desserts that made of flavor and sugar on the tray (Do not use desserts that has an ingredient of meat even eegs.)
Milk-Use small box of fresh milk , Open and offer the Ganesh
Incense sticks- Depending on your convenience
Luminary-Use oil lamps , Light by putting on the left and right hand side.
Do not offer any food , meats and Alcohol
Wares-prepare wares for worshipping the Ganesh only , wash after finished worshipping , separate from other wares. Do not use in other events.
Do not offer raw fruits. Offer fruits that we can eat for examples, if we eat ripe banana, offer ripe banana
Thanks for the information by http://www.siamganesh.com/howtopray.html