Choose steak such as flank, skirt, or sirloin
Pat the steak dry
Season with salt, pepper, garlic powder, cumin, and chili powder
Heat a skillet, grill, or cast-iron pan over high heat
Add a little oil to the pan or brush the steak with oil
Cook the steak for 3 to 5 minutes per side, depending on thickness and desired doneness
Rest the steak for 5 to 10 minutes
Slice the steak thinly against the grain
Warm corn or flour tortillas
Fill tortillas with sliced steak
Add toppings such as onions, cilantro, salsa, avocado, cheese, or lime
Serve immediately