Just returned from a weeklong visit to Providence where we sampled several downtown Providence restaurants.
Constantino's on Atwell - Excellent food/service
Cantina on Atwell - nothing special, definitely try one of the other restaurants on Federal Hill
Scialo Brothers Bakery - good authetic Italian bakery
Hemenway's Seafood Grille - very good
Cuban Revolution - a real dive, not one of those hole-in-the-wall restaurants were the food is worth overlooking the grease on the floor and wall.
Constantino's Italian deli on Atwell - large selection of take home or eat there foods, everything we tried was awesome. Very busy, closes at 6 p.m.