mix the contents of the bag with 40g (2 tablespoons) of sugar and 3 tablespoons of cold water that you took away from 2,5 dl water. The rest of the water bring to boil, remove from heat, pour in the prepared mixture and bring to a boil, stirring. Cool the topping for 1 minute and pour over the cake covered with fruit. After 30 minutes of cooling, the cake can be cut. Instead of water you can use fruit juice.