Apple Cupcakes

Directions

1. 1
   Preheat oven to 350°F. Grease a 12-cup cupcake pan.
2. 2
   Place 1/3 cup all-purpose flour and brown sugar in a medium bowl. Rub in 6 1/2 tbsp butter to make fine crumbs; stir in pistachios.
3. 3
   Using an electric mixer, beat remaining butter and sugar in a large bowl until light and fluffy. Beat in eggs, one at a time, until combined.
4. 4
   Sift remaining all-purpose flour and self-rising flour over butter mixture. Add buttermilk and apple; stir until well combined.
5. 5
   Spoon into prepared pan. Sprinkle tops with crumble mixture.
6. 6
   Bake for 20-25 mins, or until a skewer inserted in the center comes out clean. Cool for 10 mins in pan. Transfer to a wire rack to cool completely.
7. 7
   Serve dusted with powdered sugar.