Preheat your oven to 350°F (175°C).
In a bowl, whisk together the flour, baking soda, baking powder, cinnamon, nutmeg, and salt.
In another bowl, cream together the butter, brown sugar, and granulated sugar until light and fluffy.
Beat in the egg and vanilla extract until well combined.
Gradually mix in the dry ingredients until just combined.
Fold in the grated carrots and chopped pecans.
Drop spoonfuls of the dough onto a baking sheet lined with parchment paper.
Bake for 10-12 minutes or until the edges are lightly golden.
Let cool before frosting with cream cheese frosting and drizzling with salted caramel.