The sesame seeds will add crunch, and their toasty flavor isn't overpowering, but will complement the other flavors of the cookie well, especially the chocolate or any brown butter notes in the dough.

Preparation. Step 1. Place a rack in middle of oven; preheat to 350°. Toast ½ cup chopped pecans or walnuts on a rimmed baking sheet until slightly darkened in color and fragrant, 6–8 minutes ...

Preheat oven to 350°F. Line two baking sheets with parchment paper. Whisk together flour, kosher salt, baking powder, and baking soda in a medium bowl until combined.