Heat the oven to 425 degrees.
Place a small amount of the evaporated milk into a shallow bowl.
Add the flour to a separate shallow bowl, and season with the salt and pepper.
Dip the chicken first into the milk, and then into the flour, coating it well.
Melt the butter, and place it into the bottom of a 9x13 baking di
Layer the chicken in the baking dish, and bake for 30 minutes.
In a bowl, whisk together the rest of the evaporated milk, water, and cream of chicken soup.
Remove the chicken and flip it over.
Pour the soup mixture over the chicken, and bake for another 30 minutes.