Pour 2 teaspoons of crumbled Breton pucks into the bottom of the glasses. Then pour 1 or 2 tablespoons of salted butter caramel, then a little bit of mascarpone mousse. Start again by pouring Breton palets, salted butter caramel and mascarpone mousse.
Finish by adding a few crumbs of Breton pucks to the top of the verrine.