Gather ingredients: tortillas, taco filling (chicken, beef, pork, beans, or veggies), onion, cilantro, salsa, lime, shredded cheese, sour cream or crema, salt, pepper, taco seasoning
Prep toppings: chop onion and cilantro, slice limes, measure cheese and sour cream
Cook the filling:
Beef/pork: brown in a skillet with oil, drain excess fat, add taco seasoning and a splash of water, simmer until thick
Chicken: cook diced or shredded chicken in a skillet with seasoning and a splash of water, simmer until coated
Beans/vegetables: sauté onion and vegetables, season well, add beans if using, heat through
Warm tortillas:
Heat in a dry skillet 15–30 seconds per side, or
Wrap in foil and warm in the oven at 350°F/175°C for 8–10 minutes
Assemble tacos:
Add filling to each tortilla
Top with onion, cilantro, salsa, cheese, and a squeeze of lime
Add sour cream or crema if desired
Serve immediately
Optional: add hot sauce, pickled jalapeños, or guacamole