Beat butter with sugar and vanilla white and, without ceasing to whisk, enter one egg.
Add the flour mixed and sifted with baking powder and mix with a spatula.
Pour the milk and stir.
Add semolina and lemon juice 1 tablespoon, mix.
It turns out not thick and smooth dough.
Place the dough in the form of 24-26 cm in diameter, the bottom of which lay baking paper. From above slightly to press a plum.
Bake in a preheated 180*C oven 30-35 minutes to dry cane. Focus on your oven.
Allow the cake to cool in shape.
From powdered sugar and lemon juice 1 tablespoon (may take a little more) to prepare the glaze, rubbing the powder with a spoon and gradually adding the juice. Place the glaze in a food bag and cut off the small tip of the bag.
Apply the icing on the cake and let it harden.
To decorate a cake can whole plums, which apply the frosting and give it to dry thoroughly.
Release the cake from the mold and decorate with plums.