INGREDIENTS
1
box Betty Crocker Yellow Cake mix
1 3.4 ounce package
instant vanilla pudding mix
1 tbsp
homemade pumpkin pie spice
3/4 cup
sour cream
3/4 cup
vegetable oil
1/2 cup
warm water
4
eggs, lightly beaten
2 tsp
pure vanilla extract
For the Spiced Buttercream
2 cups
unsalted butter, room temperature
1 1/2 lb
(about 5 3/4 cups) confectioners' sugar, sifted
1/2 tsp
homemade pumpkin pie spice
2 tsp
pure vanilla extract
4 tbsp
heavy cream