Preheat the oven to 325 degrees. Spray an 8 x 4 loaf pan with cooking spray and set aside.

In a medium bowl combine the flour, baking powder, and salt.

In a large bowl mix together the melted butter and sugar.

Add in an egg and mix well.

Add the flour mixture to the butter mixture and mix until just combined.

Stir in the milk. Mix until combined.

Add the Nutella and mix well.

Pour the batter into the prepared pan. Bake for 60-70 minutes or until a toothpick inserted into the center comes out clean.

Remove from oven and cool for 10 minutes. Remove from pan and cool completely on a wire rack.