Puree 400 g of salted roasted peanut kernels in a high performance floor mixer until creamy. Mix 400 g sugar and 6 tbsp water in a wide saucepan and simmer until the caramel is golden yellow. Add 400 g whipped cream while stirring. Simmer while stirring until the caramel is liquid again.
Stir in peanut cream. Pour sauce into hot rinsed glasses. Close tightly with lids, let cool off. Keep refrigerated for about 4 weeks.