speech com class in college!?

erm need a demonstrative speech topic…any ideas? if u guys have been to speech com class, cud u guys share any ideas? or ideas of ur classmates? if i were to cook somethin, what wud be easy to cook? a cake? i was thinkin of explaining how to dine properly at the dinner table , as in the basics of table manners. is that ok? or shud i just go and fold some napkins. this is like 20 % of my grade and i need something really interesting and unique… and one is already making salad while another one of my classmates in baking cookies..