Kouign-Amann

Bahan-bahan (8 porsi)

• 2 ⅓ cup tepung roti (tambahan untuk taburan)
• 1 cup luke-warm water
• 1 ¼ teaspoon ragi instan
• 1 teaspoon garam
• ½ cup plus 2 teaspoons granulated sugar (divided)
• 1 cup plus 3 tablespoons unsalted butter (divided)