Checchino Dal 1887vsImago
Both establishments are endorsed by reviewers writing for major publications. On balance, Imago at the Hassler is preferred by most reviewers compared to Checchino Dal 1887. Imago at the Hassler comes in at 85 with accolades from 7 publications such as Jetsetter, DK Eyewitness and Michelin Guide.
Checchino Dal 1887 Fodor's
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 Lonely Planet Travel + Leisure
 Travel + Leisure Zagat
 Zagat Gayot
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 DK Eyewitness Rough Guide
 Rough Guide Time Out
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Via di Monte Testaccio, 30, Rome
From $0/night
 "Checchino remains an example of a classic, family-run Roman restaurant, with one of the best wine cellars in the region." Full review
 "The place for an authentic old-time family atmosphere, plus Roman cuisine of the offal variety." 
 "A pig’s whisker from the city’s former slaughterhouse, Checchino is one of the grander restaurants specialising in the quinto quarto (fifth quarter – or insides of the animal)." Full review
 "Checchino is a traditional Roman restaurant originally opened in 1887 by the Mariani family." Full review
4.0
 "“If you are an adventurous eater”, you’ll appreciate this family-owned “institution” in Testaccio (the old slaughterhouse area) that’s been turning “any part of an animal” into a “delicacy"." Full review
 "This century-old, family-owned trattoria adjoins Monte Testaccio, an imposing mound of pottery shards piled up over 500 years by Roman slaves." Full review
 "Checchino dal 1887 specializes in traditional cucina romana, using the quarto quinto (offal)." 
 "Right in the heart of Monte Testaccio's bars and clubs, this is a historic - and expensive - symbol of Testaccio cookery." 
 "The Mariani family's historic restaurant is Rome's leading temple of authentic cucina romana." Full review
 "Come for the pots of tomatoey tripe and decent local wine list (rare in this area).
" Full review
Imago Zagat
 Zagat DK Eyewitness
 DK Eyewitness Michelin Guide
 Michelin Guide Fodor's
 Fodor's Jetsetter
 Jetsetter Travel + Leisure
 Travel + Leisure Frommer's
 Frommer's Lonely Planet
 Lonely Planet
6 Piazza Trinita dei Monti, c/o Hotel Hassler Roma, Rome
From $0/night
3.8
 "“A stunning view over Rome from the top of the Spanish steps” serves as backdrop to the “interesting, creative dishes” at this “elegant” International-Italian." Full review
 "On the top floor of Hotel Hassler Roma, this restaurant overlooks the Spanish Steps, with a bird’s-eye view of the roofs of old Rome." 
1 Star
 "This restaurant continues to be a perennial favourite, thanks to its large windows and unforgettable views of Rome." Full review
 "You can order à la carte, but this is the place to splurge on a tasting menu. Each carefully and meticulously created dish will leave you in awe." Full review
 "Art Deco meets Belle Époque at this iconic hotel perched above the Spanish Steps, with a destination restaurant and old-school charm in spades." Full review
 "This extraordinary Michelin-starred restaurant sprawls over the sixth floor of the iconic Hassler Hotel at the top of the Spanish Steps" 
Rome Travel Guide
July 6, 2021
 "Great food and a sweeping panorama of Ancient Rome lure patrons to the sixth floor of this deluxe hotel on the Spanish Steps." Full review
 "Even in a city of great views, the panoramas from the Hassler Hotel’s Michelin-starred romantic rooftop restaurant are special." Full review