Beat the eggs and sugar in a bowl. Add the milk and oil. Add the flour, baking powder mixed with ground almonds to the mixture. Mix everything well. Put the prepared mixture in a cube tray lined with baking paper. Bake in a preheated oven at 220˚C for 25-30 minutes. It is left to cool down. For the cream, prepare the pudding according to the instructions and leave it in the fridge to cool. In a bowl, mix the sweet sour cream with the vanilla extract, then add it to the cooled pudding. Mix to obtain a homogeneous mixture. The cooled sponge cake is cut in half. The lower crust is coated with 2/3 of the cream. Place the second crust on top and coat with the rest of the cream. It is decorated with crushed and toasted almonds.