Put the sugar in a pan and stir nonstop until it fully melts and turns into caramel.
Pour this caramel into a 20cm ring cake mold, hold the mold with a cloth and gently move the mold to grease it with the caramel. Set aside and let's make the pudding.
Into a blender, add the condensed milk, the table cream and the milk, blend it all together until combined. Meanwhile, hydrate the gelatin powder according to the instructions on the package then add the hydrated gelatin to the blender. Blend for another minute.
Pour this pudding mixture into the mold and let it chill in the fridge for 3 to 4 hours.
Unmold then serve.