a.  2 pounds skinless, boneless chicken breasts
  b.  2 1/2 cups Chicken Stock
  c.  1/2 cup dry white wine
  d.  1/4 cup coarsely chopped fresh cilantro
  e.  1 1/2 tablespoons fresh lime juice
  f.  2 garlic cloves, smashed
  g.  1 teaspoon black peppercorns
  h.  1 1/4 teaspoons salt
  i.  1/4 teaspoon dried Mexican oregano
  j.  2 bay leaves
  k.  6 tablespoons unsalted butter
  l.  1 pound white button mushrooms, wiped clean and stems trimmed, 
  m.  Pinch of freshly ground black pepper
  n.  4 tablespoons all-purpose flour
  o.  1 1/2 cups whole milk
  p.  6 cups tortilla chips
  q.  2 cups finely chopped onions
  r.  1 cup finely chopped bell peppers
  s.  2 jalepeñnos, stems and seeds removed, finely chopped (optional)
  t.  8 ounces grated Pepper Jack cheese
  u.  8 ounces grated Cheddar cheese
  v.  1 tablespoon Emeril's Southwest Essence
  w.  2 teaspoons chili powder
  x.  1 teaspoon ground cumin
  y.  1 cup chopped drained canned tomatoes
  z.  One 4-ounce can diced green chiles, drained
Combine the chicken, Chicken stock, wine, cilantro, lime juice, garlic,peppercorns, 1 teaspoon of the salt, the oregano, & bay leaves in a medium saucepan & bring to a boil.
Reduce the heat to a simmer & cook, uncovered, for 10 minutes.
Remove from the heat & allow the chicken to cool in the poaching liquid for 45 minutes.
Remove the chicken from the cooking liquid &tare or cut into bite-size pieces. 
Reserve the chicken.  Strain the cooking liquid & reserve.
Preheat the oven to 350ºF.
Heat the butter in a large skillet over high heat until foamy.
Add the mushrooms, the remaining 1/4 teaspoon salt, & the black pepper
& cook, stirring occasionally, until the mushrooms release their liquid.
Continue to cook until the mushrooms are golden brown &all the liquid has evaporated, about 6 minutes.
Sprinkle the mushrooms with the flour, stir to blend, & cook for 1 minute.
Add the milk & stir, scraping up any bits from the bottom of the pan.
Cook until the mixture begins to thicken.
Add 1 1/2 cups of the reserved chicken cooking liquid,
stir, & cook until very thick & flavorful, about 10 minutes.
Remove from the heat.
Place the tortilla chips in the bottom of a 9 x 13-inch glass casserole dish.
Crush the chips with your handsso they form a thin layer on the bottom of the dish.
Pour 1 cup of the reserved cooking liquid over the tortilla chips &allow them to soak up the liquid.  
Scatter the chicken over the top of the tortilla layer.
Spread the chopped onions, bell peppers, & jalapeñnos evenly over the chicken.
Top with half of the grated cheeses.
Sprinkle with the Southwest Essence, chili powder, & cumin.
Spoon the reserved mushroom mixture evenly over the top of the spices,
then top with the tomatoes & green chiles.
Cover with the remainder of the cheeses.
Bake uncovered for 40 to 45 minutes, or
until the cheese is bubbly & the casserole is heated through. 
Let sit for 5 minutes before serving.  Serves 8 to 10.