Melt in the mouth chocolate cup cake

Ingredients for filling
Dark chocolate chopped 100 gm
Cream 100 ml
Ingredients for cup cakes
Flour 1 ¾ cup
Baking powder 1 ½ tsp
Baking soda 1 ½ tsp
Salt ½ tsp
Oil ½ cup
Water ¼ cup
Caster sugar 2 cups
Coco powder ½ cup
Eggs 2
Milk 1 cup
Vanilla essence 2 tsp
Ingredients for frosting
Butter 100 gm
Icing sugar 2 cups sieved
Coco powder 2 tsp
Vanilla essence 1 tsp
Milk as required 4 to 5 tbsp
Method for ganache
In a sauce pan scald cream, add to it grated chocolate, remove and keep aside, after 10 minutes, and mix with spatula, put in fridge for 30 minutes.
Method for cup cake
In a bowl add flour, salt, sugar, baking powder, baking soda, oil, vanilla, eggs, milk, warm water, mix all the ingredients, beat for 2 minutes, put in a muffin tray, line with paper cases, bake on 180 degree C for 20 minutes.
Method for frosting
Melt butter mix in coco, vanilla gradually add icing sugar and beat, add milk until piping consistency is okay, fill in piping bag, remove cup cake, fill center of cup cake with ganache, pipe top with frosting, decorate with fondant flowers.