you might find some inspiration here - 'Roman Cookbook' - http://www.dl.ket.org/latin3/mores/food/index.html
they're all from ancient Rome therefore no tomatoes, chillies, peppers or potatoes... sure there are grain and dairy recipes but just ignore them.
another link --
http://www.romans-in-britain.org.uk/arl_roman_recipes_upper_classes.htm
Dedy
<< From: Tad ... The trick is to find alternatives that result in a good tasting food. If it doesn't taste good then I am less likely to stick with it.>>