Condensed milk "sandwiches"

Method

Prep:30min  ›  Cook:15min  ›  Extra time:2hr setting  ›  Ready in:2hr45min 

1. Cream together butter and sugar, then vanilla.
2. Add in the egg yolks, then the flour to form a dough. Wrap dough in cling film and place in fridge for 1 hour.
3. Preheat the oven to 160 C / Gas 2 1/2.
4. Roll dough in between 2 sheets of wax paper. Cut out 12 pieces 4cmx14cm.
5. Bake these biscuits for 15 minutes.
6. For the caramel, put the condensed milk tin in a pot. Cover with water and boil for 2 hours, making sure that the tin remains covered with water, then cool for 30 minutes.
7. Open tin, and allow to rest.
8. Make sandwiches with biscuits and caramel.