Heat the oven to 175°C (350°F)
Grease and flour a cake pan with removable sides
Melt the butter, remove from heat then stir in the saffron
Add the chocolate in small pieces and stir until it has melted
Mix eggs and sugar in a separate bowl (don't whisk it)
Pour in the butter mix then carefully mix in the flour
Now pour ehe cake batter into the cake pan and bake for 20 min
Let it cool before slicing and serving it