Pre heat oven to 180℃
Grease 9 × 13 inch baking tin
Cream the butter and sugar untill light and fluffy .
Add eggs and whisk on high speed
Mix cocoa powder , vanilla extract, red food. Color , in a separate bowl. and mix well .
Add this mixture to the batter
Add butter milk and mix flour slowly into the mixture .
Add salt , baking powder ,baking soda and vinegar and make a smooth paste.
Pour the batter into the greased baking tin
Bake until skewer inserted into the center comes out clean , about 25 to 30 minutes.
Remove the cake from the oven and immediately poke holes all over the cake with a straw Or skewer .
Heat chopped white chocolate and fresh cream together for 30 second in microwave and make a smooth flowy chocolate sauce keep aside for cooling at room temperature
After cooling the sauce, slowly pour over the top of cake evenly .
Now make frosting ..
Add cream cheese ,butter ,sugar and vanilla extract in abig bowl and whisk it on high . .
Spread the frosting evenly over the top of the cake and decorate with dark chocochips .