Donat Mini Panggang Berlapis Coklat

Bahan-bahan (8 porsi)

• 1 cup flour
• 3/4 teaspoon baking powder
• 1/4 teaspoon baking soda
• pinch of cinnamon
• pinch of nutmeg
• 1/4 teaspoon salt
• 1/2 cup brown sugar, divided
• 1 egg
• 1/4 cup applesauce (I subbed Greek yogurt)
• 3 tablespoons milk, divided
• 4 tablespoons butter, divided
• 1/3 cup chocolate chips
• 1/2 cup powdered sugar