Spicy bean and beef chilli

1 tbsp olive oil

1 carrot, finely chopped

1 celery stalk, finely chopped

1 onion, finely chopped

3 cloves garlic, finely chopped

2 red or green chillies, deseeded (if you wish) and finely chopped

475g beef mince

1 tsp or more chilli powder (depending how hot you like it)

400g tinned chopped tomatoes

100g passata

2 tbsp Worcestershire sauce

Salt and pepper

2 x 400g tinned red kidney beans, drained and rinsed

Tortilla wraps or rice, to serve (optional)

Fresh parsley, for garnish