For the cupcakes. Beat butter with sugar, add the whites, yogurt, milk, vanilla sugar. Mix flour, soda, baking powder, salt.

Put the dough in the 12 moulds. Bake for 20 minutes. Cool.

To make the filling. Of berries (I currant) in a blender to make a puree, RUB through a sieve to get rid of the bones. Mix with sugar to taste, put on a slow fire, stirring, add the dissolved in a little water starch. Bring to thick. Cool.

With a knife cut off the top of the cupcakes.

With a knife or mold to remove the part of the core of the cupcakes. In the hole put the berry filling.

Cover the cut lid. Whip the cream with the icing sugar and fixative cream. Decorate cupcakes using a pastry syringe. If you do the air cap, then whipped cream weight to take 2 times more.

For "caviar". For about 3 hours to put in the freezer for vegetable oil and a Cup of water. Take 50 ml. of cherry juice. Of transparent juice is obtained a transparent, natural caviar. To do this, cover the pitted cherries with sugar, drain the separated clear juice. If you take fresh juice, then add sugar to taste. Soak 2 tsp gelatin in 3 tbsp water, to dissolve gelatine on low heat and mix with juice.

To get out of the freezer and vegetable oil and a container of water. In the tank to break ice. Put a jar of vegetable oil in ice water. The syringe to collect the gelatin mixture and drip into cold vegetable oil. Then recline prepared "grain" on the strainer, to glass oil. Decorate cupcakes "caviar", the remaining "eggs" can be stored in the refrigerator in a sealed container. To make bigger eggs, you need to drip at one point two droplets, they combine and become larger. You can also use cooking silicone dispenser with a nozzle, is shaped like a pear. Tried to take the long plastic pipette, very quickly it turns out, only grains large not work. In General, the process of "spawning" is fascinating, I feel like a magician or a wizard.