In a large pot, boil the chicken in enough water to cover completely; add the bay leaves and peppercorns while boiling. Once the chicken is completely cooked, remove from heat and let cool.  NOTE: This can be done the day before making these enchiladas, or you can even use leftover chicken that has been de-boned and shredded.

Roast the cleaned tomatillos along with the Poblano chiles over an open flame or under the broiler in your oven. Once the skins have charred and are beginning to burst open, remove from heat source, place under a damp towel, and allow them to cool. When they have cooled to the touch, remove the skins and seeds from the roasted poblano chiles. See Photo Tutorial below:

Place the Poblano chile peppers in the bowl of your food processor or blender. With a sharp knife, coarsely chop the roasted tomatillos and add these to the food processor also, along with the diced onion. Salt can be added to taste after these have been blended into a puree.  NOTE: If the tomatillo/pobano sauce seems too “watery,” drain them by place in a coarse mesh sieve and allow the excess liquid to drain off. Set tomatillo/poblano sauce aside.

Preheat oven to 325 degrees F. Butter a 9- by 13-inch casserole dish for the enchiladas. 

In a large frying pan over medium heat, add 2 tablespoons of the butter and melt; add the spinach and allow it to cook down completely. Add the remaining 2 tablespoons of butter to the cooked spinach and slowly stir in the Crema Agria until the spinach is completely coated. Add the shredded Swiss cheese to this mixture and allow it to melt, stirring frequently. Once the cheese has melted, add 1/2 cup of the roasted tomatillo/poblano sauce which you made earlier. Reserve the remaining roasted tomatillo/poblano sauce to serve as a sauce tableside.

Shred the cooled chicken and place in a large bowl. Mix in the grated Cojita cheese and about 1/4 cup of the spinach/cheese sauce mixture. 

To assemble the enchiladas:

• NOTE: If you are using fresh or homemade corn tortillas, you do not need to heat/soften them prior to making your enchiladas. To soften a corn tortilla, grab it with tongs, place it in hot corn oil in a skillet, turn almost immediately and then hold up to drain (you want to soften the tortilla not cook it). You can also heat them on a comal or in the microwave if the oil part is a problem for you. To Microwave, place no more than 4 tortillas in at a time, arranged in a circular pattern with the edges barely overlapping.  Heat for 20 seconds, turn them over and heat for 10 more seconds. 
  
  A comal is a flat cast iron cooking plate that goes over the fire and is used mainly for making tortillas, but also for roasting chile peppers and other vegetables. It is much like a griddle. A large cast-iron frying pan can be used instead.  Place tortillas, so they do not overlap, on a medium-hot cast-iron griddle or in a heavy frying pan over medium-high heat. Turn frequently until soft and hot (about 30 seconds on each side).
   

• Take one warm tortilla and place approximately 2 to 3 tablespoons of the chicken mixture into it slightly to one side. Roll the tortilla around the mixture and place it seam side down into the casserole dish. Continue to do this until you have used all the tortillas and mixture, or have filled the casserole. 
   

  
   

• Spoon the remaining spinach/cheese sauce over the top of the enchiladas and top with the grated Monterey jack cheese. 

Place the casserole dish with the prepared enchiladas in oven and bake for approximately 20 to 30 minutes or until the top bubbles and the cheese is slightly browned. Remove from oven and serve with the extra tomatillo/poblano sauce. Enjoy!

Makes 4 to 6 servings.
 

Crema Agria
Crema Agría is a Mexico’s version of sour cream.  It can be found in some supermarkets in the dairy section, but if you cannot find it and do not want to simply substitute American sour cream, you can make it easily at home.

1 cup sour cream
2 tablespoons buttermilk 

In a small saucepan over low heat, heat sour cream just enough to warm through; remove from heat and allow to cool. 

In a small jar, place the warm sour cream and the buttermilk; mix thoroughly with a whisk. Cover the jar loosely and let the mixture stand at room temperature for 12 to 24 hours or until the mixture is thick and tart.