Pour flour and salt into a food processor fitted with the dough blade. Pulse the mixture four or five times, so it blends and becomes a little more fine.
Place the bacon grease and water in a small bowl and microwave for 30-45 seconds, until melted.
Turn the food processor back on and slowly pour the grease and water into the processor. In about 30 seconds, the dough will form into a nice ball. If you measured your ingredients accurately, the dough should be smooth and silky.
Remove the ball and place it onto the counter. Knead it a few times to ensure everything is well blended. Place it in a bowl and cover. Let it rest for one hour.
After it has rested, divide the dough into 12 golf-ball-size balls. Let them rest on a plate covered with a damp paper towel for 10-15 minutes.
Just before cooking, press a ball into a tortilla using a heavy pan, rolling pin or tortilla press.
Heat an empty skillet over medium-high heat. When a drop of water beads in the pan, it’s ready. Place the tortilla in the pan and cook for about 30 seconds. Flip and cook another 30 seconds.
Place the baked tortilla in a tortilla warmer or a plate covered with a towel or in a round cake pan topped with another cake pan turned upside down. Adjust the heat of the skillet, as needed as you continue to cook the rest.
Fill with your favorite ingredients.