Cast-Iron Skillet Chicken Casserole

This simple casserole was given to me by my grandma. It uses lots of ready to use ingredients and I have made very few changes to her original recipe. It makes a great one-pot-meal all on its own. Serve with a salad and some crusty, homemade bread for a simple, hearty meal. Any fresh food substitutions only make this casserole better. Leftover turkey also works great in this recipe. If you prefer a creamier texture, substitute 1-1/2 cups heavy cream for some of the chicken stock.