Chocolate Walnut Povitica Recipe

Ingredients (18)

• 3 tablespoons plus 1/2 teaspoon sugar , divided
• 2 cups plus 1/4 teaspoon all-purpose flour , divided
• 2 tablespoons warm water
• 1 1/2 teaspoons active dry yeast
• 1/2 cup milk
• 1 teaspoon salt
• 1 large egg
• 1 teaspoon vanilla extract
• 1 tablespoon unsalted butter , melted
• 1 1/2 cups walnuts
• 1/2 cup granulated sugar
• 2 tablespoons unsweetened cocoa powder
• 1/4 cup milk
• 1/4 cup unsalted butter
• 1 large egg yolk , beaten
• 1 teaspoon vanilla extract
• 1 large egg white , lightly beaten
• Sugar