If u do not have margarine, you can use unsalted butter for the same. This is a simple and full-proof recipe to get a perfect chocolate sponge cake. Must try this pressure cooker cake its yummy.
With its gooey, chocolatey, molten center, this famous cake is prepared within 5 minutes in a microwave. The burst of chocolate lava from the middle of the cake can melt any chocolate lover's heart!