Per Sabu–House of Jackals
Ways to Honor Wepwawet
Offerings for Him: water, cheese, red wine, raspberry tea, cheese pizza, bread, vegetables, chai tea, pomegranate juice or tea, coffee,
Disposal of Offerings: Devotees eat the offerings.
Here is a great article on Hekate: http://witchesandpagans.com/EasyBlog/introducing-hellenic-hekate.html
Hekate page from Theoi.com
A quick resource for Hekate: http://www.neokoroi.org/religion/gods/hecate
Offerings traditionally left for Hekate: cheese, red wine, milk (I think), millet, eggs,
Disposal of Offerings: Leave at the crossroads without look back or put in a separate bag and toss it in the trash; pour liquid offerings outside on the ground or in the sink drain. Devotees do not traditionally eat the offerings.