Grind carrot, egg, vegetable oil into smooth paste
Sieve all purpose flour, 1cup of sugar, baking powder
Add ground paste into it and mix well
Pour into a greased cake baking die
Pre-heat oven to 190°C
Bake for 45min
Check the consistency by pricking a tooth pick into the cake, the dough should not stick into it
Add 1cup of sugar, chocolate powder, milk and butter in a pan
Heat it in medium flame until it turns into a paste consistency
Pour over the baked cake
Slice the cake