Spray a large non-stick frying pan with olive oil and heat over high heat. Cook beef mince, in batches, for 2-3 minutes until lightly browned. Set aside on a plate and repeat with remaining beef. Return beef to pan, add taco seasoning and cook for a further minute or until beef is cooked through.
Lightly spray corn with olive oil and cook in same frying pan over high heat for 8-10 minutes until lightly charred. Cool slightly and remove kernels from corn.
Divide corn, rice, beans, salad leaves, tomatoes, avocado, capsicum and onion between 4 bowls. Top with beef and sprinkle with coriander and chilli. Serve with yoghurt and lime wedges.