InstructionsTake a pressure cooker, add salt or sand at the base of cooker and spread it evenly. It has to cover the base for about 1/2 inch.Place a stand in the middle on top of sand. Remove gasket and whistle of cooker and close the lid. Pre-heat the cooker for 10 minutes in medium flame. Take oreo cookies in a mixer jar. Grind it to a fine powder and transfer it to a mixing bowl. Add baking powder and sugar to it. Mix well.Add milk little by little and keep mixing. The batter has to be little thick and smooth. Now grease the baking pan with butter and sprinkle some flour.Pour the batter into prepared baking pan. Open lid of cooker and place the tin on top of stand without touching sides. Close cooker again without whistle and gasket.Bake for 25-30 minutes in medium flame. Once done, check inserting toothpick in the middle of cake. If it comes out clean then cake is ready.Remove the pan and allow the cake to cool completely. The tasty oreo cake is ready.
