Slow Cooker Bean Chilli

1 large onion, chopped

2 cloves garlic, peeled and chopped

1 tsp ground cumin

1 tsp smoked paprika

1 tsp ground coriander

salt and pepper

3 medium carrots, peeled and chopped

500ml passata

1 tin kidney beans

1 tin chickpeas

300g broccoli, finely chopped

1 yellow pepper, sliced