Instructions

1. Preheat your oven to 350º F.
2. In the bowl of your stand mixer or using an electric hand mixer cream together the butter and shortening.
3. Add the sugars and mix well, add the eggs and vanilla and beat until fluffy.
4. Next add the flour, cocoa powder, baking powder, baking soda, corn starch and salt, mix until well combined.
5. Stir in the chocolate chunks and scoop into 1 1/2 Tbs rounds.
6. Place the cookies 2" apart on a lined baking sheet and bake for 10-11 minutes.
7. Let cool on the pan 5 minutes, then transfer to wire racks and cool completely.
8. Store in an air tight container for up to 3 days.