Put the chicken, broth, salt and pepper in a pot and bring to a boil. Cook completely. When you can handle the chicken, shred into pieces. (You can save the broth for later in the recipe)
Melt the butter and mix it with 3/4 of the package of dressing. Add broth in 1/2 cup increments until you get to a thin consistency (about 2.5-3 cups total)
Put the dressing mixture into the bottom of a greased 9x13 pan
Mix together the cream of chicken soup with the sour cream and take about 1/2 cup and mix it into your shredded chicken.
Take the shredded chicken mixture and spread it over the top of the dressing.
Spread the rest of the cream of chicken and sour cream mixture over the chicken.
Sprinkle the rest of the stuffing mix over the top of the casserole.
Bake at 350° for about 45 min.
Optional: Top with Parsley for color.