Preheat oven to 175 ° convection oven. Separate the eggs. Cream butter or margarine with 125 g sugar. Stir in the egg yolks. Add the milk. Fold in flour and baking powder. Divide into two springforms and smooth down.
Beat the egg whites with 200 g sugar until stiff. Spread the mixture on the two springforms as well. Sprinkle with the sliced almonds and bake at 175 ° for about 20 minutes. Let it cool down.
Mix lemon juice, 100 g sugar, cornstarch and water and bring to the boil. Leave to cool. Mix the cream with the van. Whip sugar until stiff and fold in.
Place a cake base on a cake plate and fold over a cake ring. Spread the cream and lemon mixture on top. Place the second cake base on top.