Remove the skin from the chicken and place it in a pot with onion, garlic, bay leaves, and salt. Cover with water and simmer until fully cooked. Shred and set aside.(Shortcut tip: rotisserie chicken works perfectly here.)
In a blender, combine the mole paste, Mexican chocolate, brown sugar, peanut butter, banana, and chicken broth. Blend until smooth.Pour into a pot and simmer over medium heat, stirring often so it doesn’t stick. Cook until thickened, about 10–12 minutes.
Add the shredded chicken to the mole sauce and simmer together for 3 minutes, allowing the flavors to fully blend.
Heat oil in a skillet and lightly fry the tortillas on both sides. Drain excess oil on paper towels.(This step helps the tortillas hold their structure in the casserole.)
In a baking dish, layer:Repeat until the dish is full, finishing with a generous layer of cheese on top.TortillasChicken with moleAnother layer of tortillasSpread Mexican cremaChicken with moleShredded cheese
Cover with foil and bake at 360°F (180°C) for 45 minutes.Let rest for 10–15 minutes before slicing and serving.