Preheat oven to 350 degrees.
In a medium sized bowl, combine your cake mix, butter, and egg.
Press about 3/4 of the cake mixture into the bottom of a greased 9x13 glass pan.
Chop your peaches into small pieces.
Pour peaches over the top of your cake mixture and spread evenly.
Break remaining batter into small pieces and sprinkle over the top of the peaches.
Bake for about 30 minutes until batter is golden and cooked through.
Mix together ingredients for glaze in a small bowl.
Allow bars to cool completely before drizzling glaze over the top.