Tangy Raspberry Jelly is the best dessert for a hot summers day, as it goes well with a nice big scoop of vanilla ice cream, and you can add fresh raspberries, strawberries, or blackberries to sprinkle in a touch of maturity to the dessert.
In a saucepan, combine the reserved raspberry juice, water, cranberries and sugar.
Remove from heat and add jelly; stir until dissolved. Gently stir in raspberries, then pour into a two litre mould.
Bring mixture to a boil over medium heat, stirring frequently until the cranberries pop.
Refrigerate until set