How To Make The Perfect Chocolate Cake

Ingredients:
chocolate mixtures:
200 gm semi-sweet brown chocolate
1/3 cup heavy cream
280 gm white chocolate
1/4 cup heavy cream
1 cup heavy cream
2 tbsp powdered sugar
1 tsp vanilla extract
For the cake:
1 1/2 cups milk
1 1/2 tbsp vinegar
3 cups flour
3 cups sugar
1 1/2 cups cocoa powder
1 tbsp baking soda
1 1/2 tsp baking powder
1 1/2 tsp salt
4 eggs
1 1/2 cups hot water
1/2 cup oil