Preheat oven to 350 degrees F, place liners in muffin pan.  In a large mixing bowl, add whole wheat flour and the next 5 ingredients; mix well.

In a separate smaller bowl, whisk together applesauce, eggs and sugar.  Gently mix in with the dry ingredients until just combined.

Peel apple and dice; fold into batter. Pour an even amount of batter into each of the cupcake liners.

Bake for 20-25 minutes; until a toothpick inserted comes out clean.