1/2 c. unsalted butter, melted
1 c. light brown sugar, packed
1 egg
1 tbsp. pure vanilla extract
1 c. all-purpose flour
1 tsp. cinnamon
1/4 tsp. baking powder
1/4 tsp. kosher salt
1 c. shredded carrots
Preheat oven to 350 degrees F. Line a 8-x-8″ pan with foil or parchment paper and spray with cooking spray; set aside.
In a mixing bowl, combine melted butter and brown sugar and stir until incorporated. Add egg and vanilla, and whisk to combine. Add flour, cinnamon, baking powder, and salt and stir until just combined. Fold in shredded carrots.
Pour batter into prepared pan.
Bake until the bars are set and golden brown, about 20 minutes