Ingredients

• 2 cups granulated sugar
  
• 8 tablespoons unsalted butter
  
• ¹/₄ teaspoon salt
  
• ¹/₂ cup milk
  
• 4 tablespoons black cocoa powder
  
• 2 tablespoons natural or dutch-processed cocoa powder
  
• 3 cups quick-cooking oats (uncooked)