Heat 2 tablespoons oil in a large skillet over medium heat.
2 tablespoons vegetable oil
Add ground beef and half of the chopped onions.
2 pounds ground beef
Cook until beef is fully browned and onions are softened.
Drain excess fat.
Add minced garlic and cook briefly until fragrant.
2 cloves garlic
Stir in taco seasoning, salt, pepper, and 1 cup water.
½ packet taco seasoning mix, ½ teaspoon kosher salt, ¼ teaspoon black pepper
Reduce heat and simmer until most of the liquid evaporates and the mixture thickens, about 5 to 10 minutes. Remove from heat.
In a separate shallow skillet, heat ¾ cup oil over medium heat until shimmering.
¾ cup vegetable oil
Using tongs, dip each corn tortilla in hot oil for a few seconds per side just until pliable. Transfer to a paper towel-lined surface.
24 corn tortillas