Chef John's Irish Soda Bread

Details

Ingredients

• 3 ¼ cups all-purpose flour
• ½ cup whole wheat flour
• ¼ cup rolled oats
• 1 ¼ teaspoons baking soda
• 1 teaspoon baking powder
• 1 ½ teaspoons salt
• ¼ cup cold unsalted butter, cut into small cubes
• 1 ¾ cups buttermilk
• 1 large egg
• 2 tablespoons honey, or more to taste
• 2 teaspoons grated orange zest
• 1 cup dried currants
• ⅓ cup golden raisins