Ingredients

• 1 white onion
• 2 tomatoes, diced
• 1 jalapeno, seeded, diced
• juice of 1 lime
• sea salt and pepper, to season
• 2 tbsp olive oil
• 1 yellow capsicum (bell pepper), thinly sliced
• 1 green capsicum (bell pepper), thinly sliced
• 3 cloves garlic, finely sliced
• 1 tsp ground cumin
• 1 tsp garlic powder
• 1 tsp ground coriander
• 1 tsp smoked paprika
• 1 tsp dried oregano
• pinch dried chilli flakes
• 1kg beef flank steak, trimmed
• 8 flour tortillas
• guacamole, to serve