Preheat oven to 300 degrees
Grease and cocoa powder an 8 inch cake pan.
Melt 1 stick butter and 8 oz. good semi-sweet chocolate in a double boiler. Pull off heat.
Add chocolate/butter mix to 3 beaten eggs, ¾ c. sugar and 1 t. vanilla.
Pour into pan and bake on middle rack for 40 minutes.
Cool in pan for 10 minutes (and no less!)
Turn out on rack (I put on parchment paper so that it didn’t stick to the rack. Cool completely.
Pour soft chocolate ganache over the top.
Equal parts whipping cream and chocolate, melted in double boiler, with some vanilla.
Bit of butter to make it shiny.
Pour over cake. If you need to thin it, add a bit more cream.