Directions:
Pre-heat oven to 350 degrees F. Butter a 9 X 13 baking pan and set aside.
Using a wooden spoon, mix together butter and brown sugar until light and fluffy, about 5 minutes. Add eggs one at a time, making sure to incorporate each one.
Add vanilla and beat until smooth.
Add baking powder, salt, cinnamon, nutmeg and flour and stir until just combined.
Pour batter into baking dish and spread evenly with a spatula.
In a small bowl mix cinnamon and sugar. Sprinkle evenly over the batter.
Bake for 25-35 minutes or until bars are set in the middle and a toothpick inserted in the middle comes out clean. Cool completely until cutting into bars.