Step 1

Preheat the oven to 350 degrees.

Step 2

Spray a Jumbo Muffin Pan with nonstick spray.

Step 3

In a large bowl, whisk together the flour, baking soda, spices and salt. Set aside.

Step 4

In another bowl, whisk together the oil, sour cream, buttermilk and sugars. Add in the eggs and whisk again, but be sure to not over mix.

Step 5

Dump the dry ingredients, and pumpkin on the wet ingredients and switching to a rubber spatula or wooden spoon, gently fold the ingredients together just until a few streaks of flour remain.

Step 6

Fill jumbo cupcake liners in a jumbo pan 2/3 full of batter. Or use a regular muffin tin.

Step 7

Add a dollop of Nutella on the top of each muffin.

Step 8

Using a toothpick, gently swirl the Nutella into the muffin batter.

Step 9

Bake for 23-28 minutes and then remove from the oven to cool completely.

Step 10

Sprinkle the tops with powdered sugar and serve.