1. Follow the directions on the yellow cake mix and bake the cake and let it cool.
2. In a bowl, mix the Heavy cream, Evaporated milk and Condensed milk.
3. With a fork, poke the cake through to the bottom about 50 times.
4. Pour the milk mix over the cake and let it seap in and set aside for 10 minutes.
5. Next, spread the cool whip over the cake evenly.
6. Sprinkle the granulated brown sugar over the top.
7. Cut a slice and plate and serve as yummy dessert.