Heat olive oil in a large skillet over medium-high heat. Add ground beef and cook for 5–7 minutes until browned.

Add chopped onion and sauté for 3–5 minutes until translucent. Stir in minced garlic and cook for 1 minute.

Sprinkle in taco seasoning and add water. Stir and simmer for 5–7 minutes until thicken.

Warm corn tortillas on another pan over medium heat for 30 seconds on each side.

In a frying pan, heat vegetable oil over medium-high heat. Fry each tortilla for 30–60 seconds per side until golden-brown.

Assemble tacos by filling crispy shells with beef and adding toppings as desired.

Serve immediately while hot and crispy, alongside salsa, sour cream, and cilantro.