• 1/2 teaspoon plus 1 tablespoon sugar
• 3 cups all-purpose flour, plus 1/4 cup for dusting and rolling
• 1/4 pound butter, room temperature, cut into 8 pieces
• 1/2 cup olive oil, for brushing
• 1 1/4 pounds shredded mozzarella
• 1/2 teaspoon black pepper
• 1/2 teaspoon chili flakes
• 1 tablespoon chopped parsley
• 2 tablespoons chopped parsley
• Zest and juice of 1 lemon