Sponge cake with berries

- eggs 7 med
- flour 220 g
- sugar 300 g
- baking powder 2 tsp
- sour cream 700 g
- sugar powder 250 g
- thickener to sour cream 30 g
Beat eggs with sugar for 10 minutes
In a separate bowl add flour, baking powder and mix it
Add flour and baking powder little by little to the beaten eggs and mix lightly
Put the cake in a cake pan greased with oil, bake 170-180 degrees, 40 minutes
Prepare cream: beat sour cream with sugar powder and add a little thickener to the cream. Beat until thickened
Chilled cakes cut into two parts and grease with cream and berries