Mix 1 tbsp. icing sugar with 1⁄2 tbsp. cold water and fill into a small freezer bag. Cut off a small corner. Spray penguin eyes and breast onto 4 mini chocolate cookies with cream filling. Put 4 red sugar hearts as beaks into it.
For the feet, squirt 2 drops of icing on the edge of the biscuit. Add the remaining sugar hearts. Let the icing dry. Put a small wooden skewer into the cream filling between the penguin feet of each 1⁄2 Put the skewered penguin biscuits in 4 balls (each approx. 50 g) of vanilla ice cream.
For the hot chocolate, break 125 g dark chocolate and 75 g whole milk chocolate into pieces and briefly bring 600 ml whole milk to the boil. Remove from the stove. Add 50 g baking cocoa, chocolate and 75 g sugar.
Melt while stirring.
Pour the hot chocolate into cups. Carefully place penguins on vanilla ice cream floe.