Gulungan Kentang

Bahan-bahan (16 porsi)

• 1 pound peeled and quartered russet potatoes
• ¼ cup softened butter
• ¼ cup milk
• ½ cup potato cooking water
• 1 tablespoon sugar
• 2 ½ teaspoons active-dry yeast
• 2 large eggs
• 4 ½ cups all-purpose flour
• 1 teaspoon salt
• 1 tablespoon unsalted butter
• 1 tablespoon honey
• 1 teaspoon flaky sea salt