Instructions: 1. Preheat the Oven: Preheat your oven to 350°F (175°C). Grease and flour a 9x13-inch baking dish.
2. Prepare the Cake Batter: In a large mixing bowl, combine the cake mix, water, vegetable oil, and eggs. Mix until smooth.
3. Bake the Cake: Pour the cake batter into the prepared baking dish. Bake in the preheated oven for 25-30 minutes, or until a toothpick inserted into the center comes out clean.
4. Prepare the Buttered Rum Filling: Add the dark rum and heavy cream, stirring continuously until the mixture is smooth and slightly thickened, about 5 minutes. Remove from heat.
5. Prepare the Rum Glaze: In a small bowl, whisk together the powdered sugar and dark rum until smooth. Adjust the consistency by adding more powdered sugar or rum as needed.
6. Enjoy! Slice and serve this decadent Buttered Rum Pie Cake to delight your taste buds with its rich flavors. Enjoy with a cup of coffee or tea for a delightful treat!