Preheat oven to 350 degrees.
Lightly grease a 9 x 13 baking dish.
Add peaches to a large bowl.
Add brown sugar, granulated sugar, cinnamon, nutmeg, vanilla extract, cornstarch, melted butter, and Ghirardelli Caramel Sauce.
Mix until evenly coated.
Pour the peach mixture into the prepared baking dish.
In a separate mixing bowl combine flour, granulated sugar, baking powder, and salt.
Whisk together.
Add milk and melted butter.
Mix until just combined.
Do not overmix.
Spoon the cobbler topping evenly over the peach mixture.
Bake for 45 to 50 minutes until the topping is deep golden brown and the peach filling is bubbling.
Remove from the oven.
Allow the cobbler to cool for 15 minutes.
Serve warm.
Drizzle with additional Ghirardelli Caramel Sauce.
Top with French vanilla ice cream.