Ingredients

• 2 ¹/₄ sticks (18 Tablespoons) unsalted butter at room temperature
  
• 1 cup granulated white sugar
  
• 1 cup light (golden) brown sugar
  
• 2 large eggs at room temperature
  
• 1 teaspoon vanilla extract
  
• 1 ¹/₂ cups (12 ounces) all-purpose flour
  
• ³/₄ cup (2 1/4 ounces) unsweetened cocoa powder
  
• 1 teaspoon baking soda
  
• 1 teaspoon kosher salt
  
• 1 teaspoon ground cinnamon
  
• 2 teaspoons New Mexico chili powder (or 1 teaspoon ground cayenne pepper)
  
• 12 ounces semisweet chocolate chipe