Step 1
Prepare the salted butter caramel :
Pour the sugar and water into a saucepan. Heat until golden. Stir now and again. Remove from the heat, gradually add the cream then the butter. Mix until the caramel is nice and smooth. Leave to cool.
Step 2
Empty the jars of rice pudding into a mixing bowl. Keep to the side. Clean out the empty jars.
Crumble the biscuits in another bowl.
Step 3
Alternate the layers in the jars :
Start with a layer of biscuits, then some salted butter caramel, then cover with a thick layer of rice pudding. Repeat the operation and finish with a layer of salted butter caramel generously sprinkled with crumbled biscuits.
Tip
You can replace the Breton shortbread biscuits with crêpe dentelle biscuits.