Copycat Oatmeal Creme Pies

Bahan-bahan (14 porsi)

• 1 cup softened unsalted butter (softened)
• ¾ cup packed dark brown sugar
• ½ cup gula pasir
• 2 large telur
• 1 tablespoon molasses (not blackstrap)
• 1 tablespoon ekstrak vanila
• 3 cups oat cepat
• 1 ¾ cups all-purpose flour
• 1 teaspoon soda kue
• 1 ½ teaspoon kayu manis bubuk
• ¼ teaspoon cengkeh tanah
• ½ teaspoon garam
• ¾ cup mentega tawar yang dilunakkan
• 3 cups gula bubuk
• 1 ½ teaspoons ekstrak vanila
• 1 -2 tablespoons heavy cream or milk