As restaurants change to reflect new tastes, local reactions have ranged from fascination to fury.
Lupita Ricardo, a tlacoyo and quesadilla cook with a family stand operating for over 40 years, works in front of the restaurant Maizajo.Credit...Luis Antonio Rojas for The New York Times
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By Priya Krishna
Priya Krishna spent four days reporting and eating in Mexico City, averaging about eight tacos a day.






