Grind together Oreo biscuit and glucose biscuit in a mixer to a fine powder. Add in sugar and make a paste by slowly adding milk. (Add a little more milk if required). Mix in eno/ fruit salt. This is the cake batter!. Grease a small oven proof dish with oil.

Put the batter in the dish. Tap it a little to spread it evenly and microwave on full power for 5 minutes. Remove from microwave and after it has cooled down a little, spread a layer of chocolate sauce and sprinkles. Cake is ready!