This quick video will show you how to make a delicious cola cake. To make a cola cake you will simply need a boxed cake mix, such as Betty Crocker Chocolate Cake, and a can of Coca Cola. Pour the cake mix into a mixing bowl and add the whole can of coke. Mix well. Bake the cake according to the instructions on the back of the box. Let it cool. This cake will not only last longer than regular cakes, but it is also caffeinated.