感恩节餐桌上的小清新: 舒芙蕾千层红薯派(1/6)

1/2杯或一条溶化的无盐黄油 1/2 cup (1 stick) unsalted butter, melted, plus more for pan
1/3杯砂糖 1/3 cup granulated sugar, plus more if needed
1/2 小勺肉桂粉 1/2 teaspoon ground cinnamon, plus more if needed
9张解冻了的妃乐酥皮（43cm x30cm）9 sheets phyllo dough (17 by 12 inches), thawed if frozen