For 4 people

Step 1 of 5

200 ml mineral water225 g white sugar45 g unsweetened cocoa powder8 g baking powder½ pinch cinnamon powder50 g dark chocolate

In a saucepan, combine 400ml mineral water, 300g white sugar, and 50g cocoa powder. Bring to a boil. When the mixture starts to coat the spoon, remove from heat and add 100g chopped dark chocolate. Stir until smooth. Let cool completely.