Double Chocolate Icebox Cookies with Aji and Chipotle Recipe

Ingredients (10)

• 1 stick (8 tablespoons) butter, softened, plus more for greasing
• 2/3 cup sugar
• 1 teaspoon kosher salt
• 1/4 cup highest-quality natural cocoa powder, such as Valrhona
• 2 tablespoons aji panca chile, seeds removed and freshly ground, plus a little more for garnish
• 1 small dried chipotle chile, seeds removed and freshly ground
• 3/4 cup all-purpose flour, plus more for dusting
• 1 large egg
• 12-14 ounces dark chocolate (about 60 percent cacao), finely chopped
• Coarse salt, for garnish