Veggie burritos

Name: Veggie burritos
Ingredients: 1 small red onion, finely chopped; 250g tomatoes, cut into 1cm cubes; 2 tbsp balsamic vinegar; 20g parsley, finely chopped; 2 tbsp olive oil; 2 avocados, stoned, peeled and sliced; 1 lime, juiced; 1 onion, finely chopped; 1 carrot, grated; 200g mushrooms, roughly chopped; 4 tbsp tomato purée; ½ tsp chilli powder (hot or mild, depending on how spicy you like it); ½ tsp ground cumin; 1 tsp paprika; 400g can kidney beans, drained and rinsed; 195g can sweetcorn, drained; pinch of cayenne pepper; 8 tortillas; 100g cooked rice; 200g lettuce, shredded; 8 tsp soured cream