What is the traditional Breton recipe for a rich butter cake, whose name translates as 'butter on butter' in Breton, and is often served with cider?

• A Far breton
• B Galette bretonne
• C Creme caramel breton
• D Kouign-amann ✓

Kouign-amann (pronounced 'queen aman') is a layered, caramelised pastry from Douarnenez in Brittany, made from bread dough with layers of butter and sugar.