The Restaurant at Hotel Royal Reforma
The restaurant at Hotel Royal Reforma is referenced by professionals. Out of 4 reviews that we monitored, 3 endorsed the restaurant, like Fodor's, Gayot and Oyster.
Hotel Royal Reforma 
 Fodor's
 Gayot
 Oyster
 "Its Spanish restaurant, Tezka, was founded by award-winning chef Arzac, and is known for its extraordinary Basque cuisine" 
 "The gourmet Spanish restaurant downstairs offers creative dishes at reasonable prices, and there is a small gym with standard equipment" 
 "Leisure travelers might prefer the nearby Room Mate Valentina, which has colorful rooms and trendier vibe, but no bar or restaurant"