Quick Bites, Pantheon
Fodor's Review:
The Pantheon area is ice-cream heaven, with some of Rome's best gelaterias within a few steps of each other. Romans consider Giolitti superlative; the scene at the counter often looks like the storming of the Bastille. Remember to pay the cashier first, and hand the stub to the counterperson when you order your cone. Giolitti has a good snack counter, also.
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