In Mexico, tacos don't have lettuce on them. Or tomatoes, Or cheese. Authentic tacos are filled with high-quality marinated meats (or vegetables), & are delicious as they are. They don't need extra trimmings that you find on less traditional tacos.

The difference between street tacos and regular tacos is that street tacos are smaller in size and made with a corn tortilla. Street tacos got their name from the place of their origin, the streets of Mexico. Mexican migrants that worked on mines and farms would wrap their tortillas around meat to eat on the go.

Tex-Mex tacos feature ground beef, a flour tortilla, salad, and yellow cheese. A Mexican taco is always served in a corn tortilla, filled with slow-roasted pork or barbecued meat, and topped with lime, onion, and cilantro. Other tell-tale differences between Tex-Mex vs.