Ingredients

• 1/4 cup warm water, 105 F to 115 F
• 2 1/4 teaspoons (2 1/4 teaspoons) active dry
  yeast
• 3/4 cup sugar
• 1 cup warm milk
• 2 ounces unsalted butter, softened
• 2 eggs, lightly beaten
• 1 1/2 teaspoons salt
• 4 tablespoons cocoa powder
• 4 1/4 cups flour
• 1 tablespoon canola oil, for kneading
• 1 cup Nutella, well chilled
• 1/4 cup bread crumbs
• 1/4 cup graham cracker crumbs