In a large bowl whisk together the flour, sugar, cocoa powder, baking powder, baking soda and salt.

Add in the melted butter, vanilla, lemon juice and hot water. Mix all the ingredients untill well blended.

Grease a 8 inch cake pan with some butter. Pour in the cake batter and give it a few taps to remove air bubbles. Bake in a oven preheated at 180°C for 30 minutes or until a skewer inserted comes out clean.

For the ganache : Heat the cream upto a boiling point in the sauce pan and switch off the flame. Add butter and chopped chocolate pieces to it. Cover and let it sit for 3 to 4 minutes. Whish well so that all the chocolate is melted and combined with the cream. Let the cream cool and sit on counter till thick and spreadable.

Once the cake cools down completely remove it from the tin and slice into one or two layers as per your choice. Spread some ganache between the layers and also coat it all over. Keep in the refrigerator for 10 minutes.

Roll out the fondant using some cornflour on a working surface. It should be big enough to cover the entire cake. Carefully lift the fondant onto tje rolling pin and place it on the cake. Lightly shape in all over the cake till it's fully and neatly covered. Trim out any excess fondant from the base. Decorate the cake using edible gels with the help of a clean painting brush. Enjoy!