Preheat oven to 350 degrees.
Do not follow instructions on the cake mix.
Grease two cake pans, a cup cake pan, or 9x11.
Combine together spice cake mix, butter, eggs, sour cream, vanilla, and milk until smooth.
Fold in remaining ingredients (except cream cheese frosting) until combined.
Pour into the pans.
Bake according to box directions or until a toothpick comes out clean.
Let cool in pan a few minutes and remove to a cooling rack to cool remaining time.
Once completely cooled, frost the cake.
