cake pans (you can also put it in 3 pans, bake it for less time). cut a piece of parchment paper to line the bottom of the pan. pour contents of cake mix and pudding mix into a large bowl. in another bowl mix together milk, rum, eggs and vegetable oil. pour wet ingredients into dry and mix until combined. pour into the prepared cake pans, bake approximately 25 minutes or until golden brown and cooked in the center.
remove from oven and set aside to cool. you can make this a day or two in advance, just make sure you cover it in plastic wrap to keep it from drying 