200g/7oz butternut squash or pumpkin, peeled and diced
2 celery sticks, diced
1 large courgette, trimmed and diced
2 garlic cloves, crushed or few sprigs wild garlic, finely chopped
1 large onion, diced
1 red pepper, diced
1 green pepper, diced
250g/9oz sweetcorn
few sprigs tarragon, leaves picked
400g tin butter beans, drained and rinsed
2 tbsp vegetable oil
1 smoked ham hock, about 500g/1lb 2oz