Preheat oven to 350 degrees Fahrenheit.

Line muffin tins with paper liners.

In a bowl, sift both flours, baking powder, salt and cinnamon. Set aside.

In a separate bowl, cream butter and sugar until fluffy.

Add eggs one at a time, beating until well incorporated.

Beat vanilla.

Add flour mixture in three batches, alternating with two additions of milk until well combined.

Fill each cupcake liner and bake for 18-20 minutes.

Let cool completely before adding cinnamon sugar topping.