Start by making the enchilada sauce. Put the onion into a medium saucepan with the olive oil and cook over a low-medium heat for 7–8 minutes, or until soft and just starting to brown at the edges.
Enchilada sauce plays a starring role in creating the rich, savory base that makes enchiladas so delicious. It not only coats the tortillas but also melds with the fillings, enhancing the overall ...