Preheat Oven to 325°
Spray Cake Pan with non Stick cooking spray and add in the chopped nuts to the bottom of the cake pan.
In a separate bowl combine the Cake flour, baking soda, salt
In a mixing bowl, add in the Butter, Oil, Sugar, Instant Vanilla Pudding, Vanilla Extract, Milk and Rum and mix on low speed for 2 mins. Adding 1 egg at a time while still mixing.
Then add in the Flour, Baking Soda and salt mixture and mix for 1 minute. Be sure to scrape down the sides of the bowl.
Pour cake batter into the cake pan making sure that it is distributed evenly. Give your cake pan a light tap on the counter to release any air bubbles.
Bake in the oven for 40 to 50 min. or until the toothpick comes out clean.
Remove and let Cake cool.