Preheat the oven to 350 degrees.
In a medium bowl cream together the butter, sugar, and brown sugar for the brownies. Add in the egg and vanilla and mix well. Set aside.
In a medium bowl combine the flour, cocoa powder, baking soda, and salt. Mix well.
Add the cocoa powder mixture to the butter mixture and mix until just combined. Place in the refrigerator while you make the chocolate chip cookie dough.
In a medium bowl cream together the butter, sugar, and brown sugar.
Add in the vanilla and egg and mix well. Set aside.
In a medium bowl combine the flour, baking soda, and salt. Mix well.
Add the flour mixture to the butter mixture and mix well. Fold in the chocolate chips.
Remove the brownie batter from the refrigerator.
Take a half inch piece of each batter and press together. Flatten the cookie and place it on a cookie sheet. Make sure cookies are 2 inches apart.
Bake for 10-11 minutes then remove from the oven. Cool on the cookie sheet for 2 minutes then remove to a wire rack.