Butter and eggs should be at room temperature.

Butter and sugar beat with a mixer until OSVETLENIE, next one 3 eggs, each time whisk everything with a mixer for 1-2 minutes at high speed. Then enter the sifted flour, baking powder and vanilla sugar in two stages. First half, then add 60 ml of milk, and at the end of the second half of the dry ingredients. It is worth noting that they knead with a mixer at low speed. The form to lay baking paper and bake at 180C for about 25-30min.

To prepare orange curd. Grate the zest from two oranges and squeeze the juice from 1.5 oranges. Juice and zest mix, add sugar, eggs and yolks.

The orange-egg mixture to put on low heat, without boiling, enter the starch dissolved in a couple tablespoons of warm water. Stirring constantly bring mixture until thick.

Orange Kurd remove from heat and add butter, stir, cover with cling film "contact" and allow to completely cool. I got a lot of cream, I used not all. The rest of the cream, I put it in a container in the fridge. Ready Kurd holds about 5 days and is perfect for cheesecakes, pancakes and other baked goods.

Raspberry jam mixed with brandy. Cooled Korzh cut lengthwise and the lower layer to lubricate crimson spray, leave for 10min.

With a mixer beat mascarpone with condensed milk, add powdered sugar and sour cream and beat again.

Further, both Korzh generously grease orange Kurd, in the middle put a thick layer of cream. It's okay if a little cream will come out when you lay the second cake layer. Next, align the sides of the cake with a spatula, frosting spatula or flat knife. Before decorating the cake put into the refrigerator for 30 minutes.

The remaining cream to decorate the cake as you like and what you have on hand. I had blueberries and physalis, cream I not leveled until smooth. Leave in the refrigerator for a few hours, preferably overnight.