Somerset stew with cheddar & parsley mash

INGREDIENTS

• 1 tbsp oil
• 1 onion , finely chopped
• 1 garlic clove , finely chopped
• 1 large carrot , finely chopped
• 1 leek , chopped
• 1 tbsp tomato purée
• 400g can chopped tomatoes
• 200g can butter beans , drained
• 400g can flageolet beans , rinsed and drained
• 200ml dry cider
• 250ml vegetable stock
• few sprigs thyme , leaves only
• cheddar & parsley mash (see tip below)
• 2 sausages
• 1 tsp olive oil per portion