Tacos are any variety of rolled tortilla with a meat or vegetable filling. Traditional Mexican tacos use primarily soft corn tortillas, though in the United States, they are frequently served in flour tortillas or a hard corn shell.
Taco is actually a generic term in Mexico akin to sandwich.http://whatscookingamerica.net/History/Tortilla_Taco_history.htm The term dated back to the year 1520 when Bernal Diaz del Castillo, a Spanish soldier documented about the feast he attended in the newly discovered America.
Varieties
The most prominent taco found in America is virtually unheard of in Mexico. Most fast food chains sell a hard shell taco filled with ground beef, cheese and seasonings. Common in California and Baja California, Mexico are fish tacos, with fried fish and pico de gallo.
Traditional Tacos
American and European restaurants are frequently introducing more authentic tacos to their menus, where meat is placed on top of a corn tortilla and heated on a grill. Mexican tacos are often filled with barbacoa, or sheep meat. Though often considered a Tex-Mex dish, taquitos are a true variety of taco, where the tortilla is rolled up tightly around the meat and fried.
How to Make a Taco
This video will teach you how to make a taco. You will need ground beef, onion, taco seasoning, black beans, frozen corns, taco shells, cheddar cheese, lettuce, sour cream, and salsa. Brown the beef with the onion, drain, and return to the pan. Add the taco seasoning, water, black bean, and the corn to the beef. For spicy taco, you can add a jalapeno pepper. Cook for 20 minutes. Arrange the taco with the ingredients you have prepared.