Add vanilla bean paste to cake mix, sour cream, and eggs, and mix well
Add 1 mashed sweet potato and incorporate into batter
Add a few drops of orange food coloring if desired
Add half of the batter to a Pyrex dish
Sprinkle brown sugar mixture (brown sugar, cinnamon, nutmeg, and toasted pecans) over the batter
Add remaining batter on top
Bake the cake in the oven
Remove from oven and add glaze on top
