Spicy cavolo nero & white bean soup

Name: Spicy cavolo nero & white bean soup
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Cuisine: European, Italian, Mediterranean
Ingredients: 1 tbsp olive oil; 1/2 onion, chopped; 1 large red chilli, sliced; 500ml vegetable stock; 3 tbsp Epicure Sun-dried Tomato Purée; 400g can cannellini beans, drained and rinsed; 400g can butter beans, drained and rinsed; 1/2 x 200g pack thick cut cavolo nero; 1 tbsp apple cider vinegar; Sourdough, toasted, to serve