01 -
Preheat the oven to 375°F (190°C). Place butter in the bottom of a 9x13-inch baking dish and heat in the oven until melted.
02 -
Spread shredded chicken evenly over the melted butter in the baking dish. Top with a uniform layer of frozen mixed vegetables.
03 -
Combine biscuit mix, seasoning packet, and milk in a bowl, stirring until smooth. Pour the mixture evenly over the chicken and vegetables, spreading lightly without stirring.
04 -
Whisk together cream of chicken soup and chicken stock until smooth. Pour this mixture over the biscuit layer without stirring.
05 -
Bake uncovered in the preheated oven for approximately 45 minutes, until the top is golden brown and slightly firm but still slightly jiggly at the center.
06 -
Remove from oven and let stand for 10 minutes. Optionally, sprinkle chopped parsley over the top before serving.