A very quickly made cake, if guests announce their coming unexpectedly:
100 g soft butter
80 g of full far margarine (80% fat)
150 g sugar
add 90 g milk, mix thoroughly.
add 180 g flour mixed with 1/2 baking powder (or self rising flour) and 200 g of ground hazelnuts.
Bake at 180°C upper-lower heat for 40 minutes.
Let it cool down in the mould for 15 minutes, then remove.