01 - In a small bowl, sprinkle the powdered gelatin over 3 tablespoons of cold water and let it bloom for about 5 minutes.
02 - In a saucepan, combine the heavy cream, whole milk, and sugar. Heat over medium heat, stirring until the sugar is dissolved and the mixture is hot but not boiling.
03 - Remove the saucepan from the heat and stir in the bloomed gelatin until fully dissolved. Add the elderflower cordial and mix well.
04 - Pour the mixture into individual serving glasses or molds. Refrigerate for at least 4 hours until set.
05 - Before serving, top each panna cotta with a generous handful of mixed fresh berries.