Mixture 1:Milk + vinegar set it aside for sometime
Mixture 2:In a bowlSieve maida, baking powder, baking soda, cocoa powder
Mixture 3:in Another bowl add Caster sugar, vegetable oil mix it well this will help add air in your sponge
Add curd to this mixture and mix again

Now time to assemble 3 mixtures

Add mixture 1 and 2 alternatively and in parts to mixture 3

Make sure you mix it well but you DON'T over mix

Grease the cake mould with butter and place a round cutted butter paper on the base and pour the batter in it
Preheat the pressure cooker (without whistle and rubber ring) for 5 min now place the mould in the cooker and bake it for 30-40 minutes
Before removing the mould out of cooker check the cake by pricking the cake at Centre with toothpick.
Clean tooth pick indicates cake has been cooked properly else put it to Cook again.

Frosting:
Beat the whipped cream
Add lavender colour to it
You can add colour of your choice
Now equally cut the sponge and sandwich the frosting as per your convenience
I have used nozzle to add frosting and decorated with silver sugar balls to enhance the look

Tip : You can add your favourite berries or grated chocolate as the toppings.

Enjoy the simple yet tasty cake.