Shredded beef chilli taco bowls

Name: Shredded beef chilli taco bowls
Ingredients: 600ml beef stock; 2 tsp ground cumin; 2 tsp ground coriander; 3 garlic cloves, finely chopped; 300ml passata; 100g chipotle chilli paste (or tomato purée if you don’t want it at all spicy); 1.5 kg piece braising beef; 2 x 400g cans black beans or kidney beans, drained but not rinsed; 1 lime, juiced; small bunch coriander, chopped; 8 large flour tortillas; soured cream or plain yogurt, lime wedges, diced avocado or guacamole, finely sliced red onion, sliced red chilli, sliced radishes, chopped tomato, crumbled feta or grated mild cheddar