For a creamy cotija-enhanced queso, first heat butter and flour to make a roux, before gradually adding milk until you have a thick, smooth sauce. Stir in grated cheddar until melted, and transfer ...

If the sauce is too thick, add a little water to bring it to the desired consistency. Lay the tortillas on a flat surface. Add pork to the center of the tortillas and sprinkle with cotija cheese.