Preheat oven to 325 degrees. Grease a large baking sheet.
In a small bowl, combine flour, baking powder, ground ginger, and salt.
In the bowl of a stand mixer, beat sugar and butter on medium speed until light and fluffy. Beat in eggs and vanilla.
Reduce speed to low and slowly beat in flour mixture until well combined. Add ginger and chocolate chips and mix just until combined.
On a floured surface, divide dough into 2 equal portions. Shape into 10-inch long logs and flatten to about 3/4 inch thickness. Move onto the greased baking sheet and bake 25 minutes, until lightly browned.
Remove from oven (leave the oven on) and cool at least 5 minutes. Carefully transfer to a cutting board and slice diagonally into 15 slices.
Place slices upright on the baking sheet and bake 15 minutes. Transfer to a wire rack to cool completely.