Nibblous | italian peasant soup

Ingredients

• 4 tbsp olive oil
• 2 medium onions, finely chopped
• 400g potatoes, peeled and diced
• 1 bulb fennel, sliced
• 3 garlic cloves, crushed
• 1 tbsp sun-dried tomato paste
• 1/2 medium red pepper, deseeded and finely chopped
• 1.2 litres veg stock
• 450g ripe tomatoes, skinned and deseeded
• 4 tbsp shredded fresh basil
• 25g butter
• 175g chestnut mushrooms, sliced
• 1 tbsp sun-dried tomatoes, cut into thin strips
• salt and freshly ground black pepper