Preheat oven to 180 Degree C. Grease heart shaped cake pan and dust it with flour and coat on all sides, tap off the excess flour. Set aside.
Now in a bowl, mix water, oil, vanilla, sugar, vinegar and mix well, Set aside till the sugar is melted.
Now in another bowl, mix flour, baking soda, cocoa and salt. Sieve this mix.
Now add this mix to the bowl of wet ingredients and mix well.
Transfer this to the prepared cake pan and bake for 35 to 40 mins.
Remove it from oven, cool it, then invert it and frost as you wish, put the chocolate glaze on sides, decorate with flowers and leaves
Serve at room temperature