Tacos are some of my favorite food, especially really authentic ones.
I really enjoy mexican food. mexican food actually started about 9000 years ago
That long? That's crazy! What did they make back then?
Some other groups of food included Olmec, Otomi, Mixtecand Toltec
Interesting, were these really similar to mexican food?
The olmecs were the earliest known major civ. in mexico
Ohh no wonder this cuisine was so similar to current mexican food then!
Olmec influences on Mesoamerican cultures
The causes and degree of Olmec influences on Mesoamerican cultures has been a subject of debate over many decades. Although the Olmecs are considered to be perhaps the earliest Mesoamerican civilization, there are questions concerning how and how much the Olmecs influenced cultures outside the Olmec heartland. This debate is succinctly, if simplistically, framed by the title of a 2005 "New York Times" article: “Mother Culture, or Only a Sister?”.
Olmec heartland.
Nearly all researchers agree on a
Mexican cuisine
Mexican cuisine began about 9000 years ago, when agricultural communities such as the Maya formed, domesticating maize, creating the standard process of corn nixtamalization, and establishing their foodways. Successive waves of other Mesoamerican groups brought with them their own cooking methods. These included the Olmec, Teotihuacanos, Toltec, Huastec, Zapotec, Mixtec, Otomi, Purépecha, Totonac, Mazatec, and Mazahua. 
The Mexica establishment of the Aztec Empire created a multi-ethnic society where many different foodways became infused. The staples are