Butter bean chorizo stew

Ingredients

150 g butter beans
150 g sweet potatoes
1 tbsp olive oil
100 g leeks
1 garlic clove
225 g chorizo
2 tbsp tomato puree (optional)
1 sprig of rosemary (optional)
900 ml chicken stock
2 tbsp paprika

Method

Chop all veg into 1inch chunks.
Cook in slow cooker for 2hours with chicken stock And paprika.
Put in the chorizo.
cook for a further hour.