Cook the Beef – Brown the ground beef in a skillet over medium heat. Drain excess grease. Stir in tomato paste and cook for 1 minute. Add taco seasoning (homemade or store-bought) with ¼ cup water and simmer for a few minutes.
Brush the Tortillas – Lightly brush one side of each tortilla with avocado oil and place them oil-side down on a parchment-lined baking sheet.
Fill Open-Faced – Spoon beef onto one side of each tortilla, then sprinkle cheese on top.
Bake, Then Fold – Bake at 425°F for 5-6 minutes until the tortillas start to crisp up, then fold each taco in half and press lightly.
Flip & Finish Baking – Bake for another 5-6 minutes, flip, and bake for 3-4 more minutes until crispy and golden.
Serve – Add toppings like lettuce, tomatoes, and cilantro. Serve with nacho cheese, sour cream, and guacamole on the side.