01 -
Preheat oven to 425°F.
02 -
In a large bowl, combine cream of chicken soup, sour cream, and milk. Stir in garlic powder, onion powder, black pepper, and herbs de Provence until smooth.
03 -
Add shredded chicken and thawed mixed vegetables to the mixture and stir until well coated.
04 -
Spread filling evenly into a greased 9×13 inch baking dish and bake for 15 minutes.
05 -
While filling bakes, prepare biscuit dough by mixing biscuit mix with cold water and shredded cheddar cheese according to package instructions.
06 -
Remove baked filling from oven, spread biscuit dough evenly over the top, and bake for an additional 15 to 18 minutes until golden brown.
07 -
Mix melted butter with any seasoning packet from the biscuits and brush over the hot casserole before serving.