Method
In a saucepan combine the butter, brown sugar and milk and cook over a medium heat, remove from heat and add in the chopped pecans.
Transfer the pecans to a lined baking dish and spread out to cover the base
In a large bowl whisk together the butter, brown sugar, buttermilk, egg and vanilla extract
Once combined add in the flour and baking powder and whisk to create cake batter
Pour the cake batter on top of the pecan layer
Bake in oven at 180 degrees for 40 minutes
Allow to cool for 10 minutes
Turn over and serve the cake, pecan side up with a generous dollop of cream