https://www.cia.gov/the-world-factbook/countries/mexico/
Read the section "Geographic Setting and Environment":
https://link.gale.com/apps/doc/CX4021000053/GVRL?u=pl2497&sid=bookmark-GVRL&xid=71ab4bb5
https://www.worldfoodwine.com/mexican-food-history
Scroll to the part that says "History and Food"
https://www.thespruceeats.com/methods-used-in-authentic-mexican-cooking-2342659
Scroll down and read the section "Cooking":
link.gale.com/apps/doc/CX1513300078/GVRL?u=pl2497&sid=bookmark-GVRL&xid=d098a327
https://www.npr.org/2022/10/28/1132205161/mexican-cooking-ingredients-expert-tips
(You can listen)
https://www.thespruceeats.com/ingredients-used-in-mexican-food-2342811
Scroll down to the part that says "Food for Religious and Holiday Celebrations"
https://www.whats4eats.com/north-america/mexico-cuisine
https://www.tasteofhome.com/collection/mexican-foods-take/
Scroll down to the recipes
https://link.gale.com/apps/doc/CX8057100042/GVRL?u=pl2497&sid=bookmark-GVRL&xid=3689d34c