Smoky spiced veggie rice

Name: Smoky spiced veggie rice
Ingredients: 25g cashews; 4 tbsp olive oil; 1 corn cob; 250g rainbow baby carrots, halved lengthways; 2 red onions, finely chopped; 2 celery sticks, finely chopped; 2 large red peppers, finely sliced; 3 garlic cloves, crushed; 2 tbsp Cajun seasoning; 1½ tbsp smoked paprika; 1 tsp chipotle paste; 2 tbsp tomato purée; 200g heirloom cherry tomatoes, halved; 400g can kidney beans, drained and rinsed; 400g can cherry tomatoes; 300g long-grain rice, washed; 400ml vegetable or vegan stock; 1 tbsp red wine vinegar (vegan varieties are readily available); 2 tbsp caster sugar; 2 spring onions, finely sliced