This is the secret recipe for this simple and delicious cake:
3 egg yolks
150 g sugar
125 g butter
250 g flour
a little salt

Prepare a dough and bake in baking mould (28 cm diameter) for 15 minutes at 180°C upper-lower heat.

Beat 3 egg whites, add 100 g of sugar bit by bit
Mix in 50 g of ground almonds

Add about 500 g of gooseberries to the pre-baked cake, cover with the egg white-almond mix, bake for another 20-25 minutes at 180°C.