Preheat the oven to 350 degrees and lightly grease a loaf pan.
In a large bowl, combine the ground beef, crushed Ritz crackers, drained green chiles, chopped onion, egg, milk, chili powder, cumin, salt, and black pepper.
Mix with your hands until the ingredients are evenly distributed but not overworked.
Fold in the shredded Monterey Jack cheese until just incorporated.
Transfer the mixture to the prepared loaf pan and press it into an even layer.
Bake for 55 to 60 minutes until the internal temperature reaches 160 degrees.
Remove from the oven and let the meatloaf rest for 10 minutes before slicing.
Sprinkle the chopped cilantro over the slices just before serving.