Not to discourage any future answers but we have actually had a few interesting thread on Roman street food:

I'm sitting here eating chips. Did the people of the Roman empire have an equivalent of such snack foods? by /u/samadhii

What kinds of street food would of been available in Ancient Rome? by /u/JDHoare

Hi, hopefully others can contribute more info here, but meanwhile, you can get started on this very old thread, featuring /u/tiako

• I'm an average Roman going to see an event at the Colosseum. What kind of snacks or beverages are available to me and what would they cost?

Crowd eagerly chanting for Otter Spleens, Wolf nipples and other ancient Roman delicacies

Now you listen here!

People who ignore our rules and post Life of Brian jokes are not contributors, they're very naughty boys. Now go away!

^^^Seriously ^^^we ^^^all ^^^saw ^^^the ^^^film ^^^and ^^^you're ^^^not ^^^being ^^^very ^^^original, ^^^people ^^^were ^^^posting ^^^the ^^^exact ^^^same ^^^jokes ^^^in ^^^the ^^^four ^^^year ^^^old ^^^post ^^^linked ^^^below. ^^^Please ^^^don't.