Heat oven to 350 degrees. Prepare a 9x13 baking dish by spraying with cooking spray.
Stir in chicken and peas and mix to combine. Pour into the prepared dish.
Brush melted butter over the biscuits and sprinkle with the parmesan cheese.
Bake 25-30 minutes or until biscuits are cooked through and golden brown on top.
I use the cheaper parmesan cheese that comes in the can. The non-refrigerated kind. It does not get browned like fresh parmesan cheese, and I love the additional of the salty crumbs on top of the biscuits.
For best taste use a can of full-salt chicken broth. The potatoes will need that extra salt to taste like something.
Try and cut all the vegetables the same size so they will cook and soften. Aim to cut them all the size of the peas, maybe a bit larger. You want small chopped vegetables and potatoes.