* I prefer
Scharffen Berger’s 100% Unsweetened Dark Chocolate Cocoa Powder.
* Consider using walnuts or almonds in place of pecans.
* I was able to fit 6 cookies on each 15x11 baking sheet. If you only have two sheets, you can remove cookies still on the parchment paper to cool. Then re-line the same baking sheets with fresh parchment paper.