Pierre Hermé & Dorie Greenspan's World Peace Cookies

Name: Pierre Hermé & Dorie Greenspan's World Peace Cookies
Prep time: 3 h 25 min
Cook time: 24 min
Total time: 3 h 49 min
Cuisine: American
Ingredients: 1 1/4 cups (175 grams) all-purpose flour (see note); 1/3 cup (30 grams) unsweetened cocoa powder (see note); 1/2 teaspoon baking soda; 1 stick plus 3 tablespoons (150 grams) unsalted butter, room temperature; 2/3 cup (120 grams) packed light brown sugar; 1/4 cup (50 grams) granulated sugar; 1/2 teaspoon fleur del sel or 1/4 teaspoon fine sea salt; 1 teaspoon pure vanilla extract; 5 ounces (150 grams) bittersweet chocolate, chopped into chips (no pieces larger than 1/3 inch), or a generous 3/4 cup store-bought mini chocolate chips