Can any one tell me what size tin i need to make a hockey field cake that will be big enough for 15 - 20 people please and what quantity of mixture i will need. Thankyou

AI would use a 1/4 sheet pan.

This guide may help: [URL]http://cooksdream.com/Merchant2/merchant.mvc?Store_Code=C&Screen=batter_data[/URL]

Thankyou for your quick reply it was a huge help