Boil the 1st ingredients together in a thick bottom vessel and stir continuously. Dissolve refined flour, cocoa powder and vanilla essence in 1/2 cup milk and sieve. When the condensed milk becomes thick, add the milk-flour solution into it. Stir continuously and remove from heat after some time.
Apply oil in a flat vessel and pour the prepared content into it. Make the batter even, using a spoon.
Heat 2dsp of sugar in a thick bottom pan. When the sugar melts to a light brown syrup, mix the butter and instantly remove the pan to a vessel filled with boiled water. Pour this syrup evenly over the prepared sweet with a spoon. When it cools, cut into desired shapes and serve. Decorate the sweet with cherries