Preheat oven to 350 degrees
In a bowl cream together the shortening and the sugars.
Beat in egg, vanilla and mashed banana.
Mix in flour, baking soda, salt, spices and oats.
Stir in white chocolate chips.
Drop by spoonful onto baking sheet. Push down with your fingers or the back of a spoon.
Dough is sticky.
Bake for 8-10 minutes. Place melted Nutella into a plastic bag and snip off the corner to drizzle with.
Cool on rack and then drizzle with Nutella.