Preheat oven to 350 F
Combine the flour, baking soda, salt, cinnamon, ginger, nutmeg, oats and pecans in a medium bowl
Cream the sugar and butter together in a separate bowl
Add the egg and vanilla to the butter mixture
Add the grated carrot to the wet ingredients
Pour the dry ingredients into the wet and mix to combine
Line parchment paper to a baking sheet and place about 6 cookies per tray
Bake for 12 minutes and let cool fully
Combine frosting ingredients together
Sandwich the cookies together with frosting and enjoy
