Kue Apel Kayu Manis

Bahan-bahan (12 porsi)

• 1 1/2 cups brown sugar
• 1/3 cup oil
• 1 egg
• 1 cup buttermilk or (1 cup milk + 1 tablespoon white vinegar)
• 1 teaspoon vanilla
• 1 teaspoon baking soda
• 2 1/2 cups flour
• 2 1/2 cups chopped Honeycrisp apples (see notes)
• 1/2 cup sugar
• 1 teaspoon cinnamon
• 1 tablespoon butter, melted