Preheat oven to 350℉ and line a muffin tins with paper liners.
Mix together cake mix, pumpkin, water, oil and eggs until well combined.
Pour batter into prepared cups, filling ⅔ full.
Bake for 18-23 minutes or until an inserted toothpick comes out clean.
Let cool completely.
Frosting
In a large bowl, beat together cream cheese, butter, vanilla and sour cream until fluffy.
Beat in powdered sugar until smooth.
Spread it on top of the cupcakes by hand or with a piping bag and sprinkle a dash of cinnamon or nutmeg or your favorite warm spices.
Notes
Add your own little twist to these cupcakes with the following topping options: candy corn, sprinkles, or cinnamon. Drizzle on some caramel sauce. You can also impress your guests by topping with Edible Fall Leaves. Halloween cupcake liners are very popular in our family, and great for parties.