I would never dump the chicken broth down the drain after boiling the chicken, but strain it, let it cool off in the fridge, then freeze it for soup or gravy.
I got the recipe off of the Las Palmas green chili enchilada sauce. This recipe is difficult if you see the original recipe. The original recipe calls for chicken, onions, cheese, mostly, Monterey, and that’s it. Oh yes, the tortillas. Mix all of the ingredients together. Take 2 tablespoons fill each tortilla. Roll it up and place it in the pan. This way you don’t have to put everything in separately. And this way, it is fabulous. I save a little bit of the mixture and put it on top of the enchiladas. 375° for 25 to 30 minutes. Best I’ve ever had.