By ruth joseph
Ingredients
1 tbsp olive oil
1 large red onion, peeled and chopped
2 cloves garlic, finely chopped or crushed
2 large carrots, peeled and chopped
2 sticks celery, peeled and chopped
2 large courgettes, peeled if skin is thick, and chopped
1 tin of chopped tomatoes
Pinch dried chilli flakes (optional)
500g fresh ripe tomatoes
400g freshly chopped kale
2 x 175g tinned beans (borlotti, flageolet or cannelloni), rinsed and drained
2½ litres vegetable stock
25g freshly chopped flat leaf parsley
25g basil leaves, roughly torn