Cook the beef: Next, add in the beef. Use a large spoon to break up the beef and cook until most of the beef is browned, about 4-5 minutes.
Mix in tomato paste: Mix in the tomato paste and then the taco seasoning. Stir in the water (or beef broth) if the filling appears dry, and continue to cook until the beef is fully cooked through, about 3-4 minutes.
Season to taste: Taste the filling and season with salt, if needed. Remove from heat and set aside to cool slightly before assembling tacos.
Prepare the tortillas: On a clean work surface, place down a tortilla. On the top half of the tortilla, add some mozzarella cheese (about 1 1/2 to 2 tablespoons).
Assemble the tacos: Spoon over a portion of the beef filling and top with some more cheese (about 1 1/2 to 2 tablespoons). Fold the bottom half of the tortilla over the filling and gently press down to seal.
Prepare for frying: Transfer the assembled taco to a large baking sheet and repeat with remaining beef filling, cheese, and tortillas for a total of 8 tacos.
Fry the tacos: Heat up some oil (about 3-4 tablespoons) in a large skillet over medium heat. In batches, pan-fry the tacos for about 1 minute per side or until golden brown.
Drain excess oil: Transfer to a wire cooling rack placed over a baking sheet. If needed, add a little more oil in between frying each batch of tacos to ensure they get nicely golden brown and crispy.
Garnish and serve: Garnish tacos with fresh cilantro (optional) and serve immediately while still hot and crispy with your favorite sauce. Enjoy!
Notes
Make sure the oil is hot enough before frying and don’t overcrowd the pan for even cooking.