Preheat the oven to 325 degrees F and line 2 baking sheets with parchment paper.
Sift the flour, baking powder, baking soda, salt and cinnamon together. Set aside.
In a mixer combine the eggs and sugar and whisk for 3 minutes until it doubles in volume.
Add the yogurt, pumpkin, and vanilla and blend until fully combined.
Mix in the flour and then add the chocolate chips.
Refrigerate dough for 2 hours.
Once chilled scoop 3 tablespoon scoops of the dough onto the baking sheets, 12 cookies per sheet.
Bake for 16 minutes and remove from the oven. Let the cookies cool for a few moments on the baking sheets before transferring to a cooling rack.
Repeat the process with any remaining dough.