Apple Crumble Baked Donuts

Ingredients

For the Apple Donut Base

• 2 cups all purpose flour
• 3/4 cup light brown sugar packed
• 1 tsp baking powder
• 1/2 tsp baking soda
• 1 1/2 tsp ground cinnamon
• 1/4 tsp ground nutmeg
• 1/2 tsp salt
• 1 large egg at room temperature
• 3/4 cup buttermilk
• 1/4 cup unsalted butter melted and cooled
• 1 tsp vanilla extract
• 1 cup finely diced apple such as Granny Smith or Honeycrisp

For the Crumble Topping

• 1/2 cup all purpose flour
• 1/3 cup light brown sugar packed
• 1/4 tsp ground cinnamon
• 3 tbsp cold unsalted butter cubed

For the Glaze (Optional)

• 1/2 cup powdered sugar
• 1–2 tbsp milk or apple cider
• 1/4 tsp vanilla extract

Instructions