2 tsp olive oil
1 onion, finely diced
1 clove garlic, finely chopped
1 tsp ground cumin
1 tsp cinnamon
1/4 tsp chilli powder
500g lean beef mince
2 tbsp tomato puree
12 crunchy taco shells
100g canned sweetcorn, drained
1 large tomato, diced
50g cheddar, cubed or diced
Small handful of fresh coriander, roughly chopped
Guacamole, salsa, sour cream or plain yoghurt (optional)