For faster prep: brown beef, season with taco seasoning mix, and freeze. When ready to use, thaw in microwave, stir in the black beans, and proceed with recipe. You can also make the sauce ahead of time and refrigerate until needed.
Leftovers heat up in the microwave in a jiff and taste just as good as when freshly baked. Wrap and freeze individual enchiladas and reheat in microwave for a quick and easy meal!