Prepare the pot pie filling by combining chicken, butter, carrots, broccoli, flour, frozen peas, chicken broth, heavy cream, garlic salt, and onion powder.
Prepare the topping by mixing cheddar bay biscuit mix, sharp cheddar cheese, and milk.
Pour the filling into a baking dish.
Spread the topping evenly over the filling.
Bake at 375 degrees Fahrenheit for 14-17 minutes, or until the topping is golden brown.
