Grilled Zucchini Nachos

Ingredients

• 500g rump
• Olive oil
• 4 large zucchinis
• 1/2 cup mozzarella cheese, grated
• 1/2 cup cheddar cheese, grated
• 1/2 red onion, chopped
• Fresh coriander, for garnish (optional)
• Fresh red chilli, chopped (optional)
• 1 lime, halved
• Salt
• freshly ground black pepper
• Mexican rub
• 1 tsp chilli powder
• 2 tsp paprika
• 2 tsp ground cumin
• 1 tsp garlic powder
• 1⁄2 tsp origanum
• 1⁄2 tsp salt
• 1⁄2 tsp freshly ground black pepper