World Peace Cookies (Korova Cookies)

1 1/4 cups all-purpose flour 1/3 cup Dutch-process cocoa powder (do not use natural; I find the taste too light. I prefer Scharffen Berger or Valrhona) 1/2 teaspoon baking soda 1 stick plus 3 tablespoons butter, room temperature 2/3 cup light brown sugar 1/4 cup sugar 1/2 teaspoon fleur de sel 1 teaspoon vanilla extract [...]








