Beat the butter and caramel sauce as a smooth and creamy mixture. Add egg one by one and beat again.
Meanwhile sieve the flour with baking powder,salt. Add the milk to the egg mixture and mix well
Add the flour to the already beaten mixture and mix well with a spatula.
Meanwhile prepare a rectangule cake pan with butter, preheat the oven to 350F.
Pour the cake batter to the prepared pan and bake for 25-30 minutes.
Remove the cake from oven and let it cool.
Heat the sugar in a heavy bottomed pan, cook in medium flame until the sugar turns ambre in colour.
Add the butter, heavy cream,sea salt and cook until the sauce turns bit thick.
Spread the caramel sauce on the top of the sheet cake.
Slice and enjoy the cake with your favourite drink.
