Although the following wasn’t discovered in rome itself but in Pompeji, it might be of interest in terms of imagening daily life in the roman empire:
The frescoed thermopolium, a Roman-era fast-food stall, is the first to be fully excavated
Archaeologists unearth ancient Pompeii snack bar complete with food residue - La Prensa Latina Media
Rome, Dec 26 (efe-epa).- A snack bar replete with decorative paintings and traces of food residues has been unearthed in the ancient Roman city of Pompeii, which was buried under volcanic ash from Mt. Vesuvius in AD 79. The archaeological team said the thermopolium of Regio V was one of the...
Archaeologists have uncovered food remnants at one of the city’s fast food joint, called thermopolia, where hungry ancients grabbed quick meals