In a skillet, add your bacon grease/oil until melted. If you are using bacon in your Migas, you can just cook your bacon in the skillet first and then remove the bacon, leaving the grease in the skiilet.
Tear your corn tortilla's into small piece and drop into hot skillet. Salt and pepper the tortillas as they are crispingt up, moving them around the skillet until evenly browned.
In a small bowl, whisk your eggs until they are creamy and smooth....pour into skillet over the tortillas.
Add in 1/2 of your cheese. Cook the eggs, tossing in the pan, until they are set.
Add in your cooked breakfast meat of choice and toss til mixed evenly.
Serve on plates and top with salsa/tomatillo sauce (you can also top with avocado, fresh tomato, and add'l grated cheese, as well).
ENJOY! :)