Preheat oven to 350
Shred your rotisserie chicken and place in large sauce pan
Add the frozen veggies, cream of mushroom and salt and pepper to sauce pan
Heat on medium for 5-10 minutes until warm
The chicken is already cooked so you are just trying to defrost the veggies and mix the ingredients together
In a 9x13 baking dish, unroll one pillsbury biscuit can and lay out the dough to cover the bottom of the pan
Once the cream chicken and veggie mixture is warm, spoon on top of the flattened biscuit dough
Open the second can of biscuits and lay flat to cover the top of the creamy chicken and veggies
Bake for about 20 minutes or until the top of the dish is golden brown