Top each tortilla with a generous 1/2 cup chicken/bean mixture and 2 tablespoons cheese. Roll up tortillas and place them seam-side down, side-by-side in the baking dish.
Pour 1/2 cup enchilada sauce in bottom of 9×13-inch freezer-safe casserole dish. Prep the casserole, following Steps 2-4 but don't bake.Label and freeze the casserole for up to 3 months.