IMI:
It sounds like you know what you are talking about when it comes to what the food should be like. Most people have the impression that mexican food is hot and spicy and reaks havock on your digestive system, most dishes don't. I love mexican food and love cooking it (personal favorite dish to make is a chicken enchilada with green chili, crisp and not soggy tortillas). Try serving black beans instead of refried and freak the locals out
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I wish you the best of luck!