Preheat oven to 350 degrees f.
Prepare baking pans with non stick baking spray, cake goop, easy off or butter and flour.
In a large bowl, cream butter and both sugars until light and fluffy (about 5 minutes.
Add in the eggs, one at a time, mixing after each.
Combine milk, eggnog and vanilla in a separate bowl.
Combine the flour, baking powder, and salt in a medium bowl.
Add half of the flour mixture to the butter mixture, followed by half the wet ingredients.
Add the second half of the dry ingredients and the remaining wet ingredients.
Mix until just combined and do not over mix.
Divide the batter evenly between the two prepared pans.
Bake for 25 - 35 minutes or until a toothpick inserted into the center of the cake comes out clean
Let cake cool for ten minutes inside their pans and them flip them onto a cooling rack to finish cooling.