Ingredients

Steps

• Soak the dried beans overnight in a large bowl with plenty of water.
• Boil the beans in 1.2 litres of water until they are completely tender.
• Reserve the cooking water and drain the beans.
• Heat the olive oil and butter in a large pan and sweat the onion until soft.
• Add the bacon to the pan and fry until fully cooked.
• Mash the beans and stir them into the onion and bacon mixture.
• Mix in enough reserved cooking water to reach a consistency similar to double cream.