preheat oven 350°F

in pan toast long green chiles

boil serrano peppers

cook ground beef until it browns

peel long green chiles and add to blender

also in blender add serrano,cream of mushroom or chicken and cumin

in a bowl,combine blended sauce with ground beef

in pan with vegetable oil or olive oil soften corn tortillas

we begin to layer corn tortillas.sauce and cheese

make about 5 layers total depending the size of pan

corn tortillas,then sauce,then cheese

repeat, after layers are done,put in oven for 30 mins. enjoy