For frosting:Beat whipping cream with 3/4cup sugar powder until it becomes soft peaks.
for vannila cake- Preheat the oven to 180-degree c.
Sieve dry ingredients (flour,baking powder,salt) ,keep it aside. Beat egg with sugar until fluffy, add oil and vanilla ,beat slowly.
Add half of the flour mix with half warm milk, beat it in a medium speed. Next add remaining flour mix with milk,just until combined.
Pour in to prepared pan and bake it 180dgree c for 25-30min.
for chocolate cake- preheat the oven to 180 degee c.Sieve dry ingredients(flour,cocoa powder,baking powder,salt) ,keep it aside.
Beat egg with sugar until fluffy, add oil and vanilla ,beat slowly. Add half of flour mix with half warm milk,beat it in a medium speed.
next add remaining flour mix with milk,just until combined.pour in to prepared pan and bake it 180dgree c for 25-30min.
for ganache: Heat 200ml fresh cream and pour over the chopped white chocolate, do not stir it, keep it 2-3 min.after mix it well.
Allow it cool.Again heat fresh cream and pour over the chopped dark chocolate, do not stir it, keep it 2-3 min.after mix it well. Allow it cool.
To assemble: Cut each cake horizontally to make layers,(u can make four layers,here I made three layer cake)place vanilla cake layer on tray,apply some sugar syrup then spread with whipped cream.
next chocolate cake layer,apply sugar syrup,after spread with whipped cream ,next spread 2-3tbsp dark chocolate ganache top of it .
gain vanilla cake ,place it over the chocolate cake layer,apply sugar syrup,now cover all over the cake with remaining whipped cream gradually and uniformly.
Refrigerate it atleast 1-2 hours,next pour the white chocolate ganache over the cake carefully,after drop or decorate with dark chocolate ganache .keep it in fridge until your ready to serve,enjoy.
add some blue colour in white ganache and decorate using that.