1.Preheat oven at 180 C. 2.Break eggs in bowl and add vanilla essence.Beat well with an electric beater for 8-10 minutes or till ribbonn stage. 3.In another bowl, take butter and sugar.Beat them with electric beater at low speed for 3-4 minutes or till it becomes fluffy. 4.Add flour into creamed mixture through strainer,so it will uniformly fall in bowl.Add beaten egg mixture also. 5.Mix well by cut and fold method.Do not use electric beater , as we do not want the fluffiness should go. 6.Add milk and mix it well.Pour the mixture in greased aluminum cake tin ,dusted with all purpose flour from all sides. 7.Put cake tin in preheated oven and bake for 20 minutes.Check with toothpick ,if it comes clean ,then your cake is done.If it does not , put it more 5 minutes. 8.Once done, cool down cake for 10-15 minutes and cut the cake.
You will have basic sponge cake without baking powder.