Preheat the oven to 180°C (356°F).
In a bowl, mix whole wheat flour, baking powder, and salt.
In another bowl, cream the butter and sugar together.
Add the egg and mix well.
Combine the creamed mixture with the flour mixture and mix evenly.
Add chocolate chips or nuts as desired.
Shape the dough into balls and place them on a baking tray.
Bake in the preheated oven at 180°C (356°F) for 12–15 minutes.
Let them cool and enjoy.