Preheat the oven to 350 degrees F.
Melt butter and pour into a 9X13 casserole dish, making sure it's spread over the bottom evenly.
Sprinkle the shredded chicken overtop of the melted butter evenly in one layer.
Next, spread the frozen vegetable medley evenly over top of the chicken layer.
In a medium bowl, whisk together the cream of chicken soup and chicken broth until combined and fairly smooth. Pour this mixture evenly over the chicken and veggies but DO NOT mix.
In a separate bowl whisk together the milk, Red Lobster Cheddar Bay Biscuit mix, dry seasonings from the box and shredded cheese until combined. Then drop heaping spoonfuls of this biscuit mixture over the top of the casserole and use a spatula to lightly smooth the topping out. Remember that this is the top layer, do not mix in.
Sprinkle on some dried parsley for color then place in the preheated oven to bake for 1 hour. (You need to bake it for this long to make sure the frozen vegetables cook all the way through. Check as its cooking and cover with foil if needed).