Go-to sizzling marinated beef fajitas | New World

Ingredients

• 600g rump steak, trimmed
• 2 tablespoons olive oil
• 3 red capsicums, de-seeded and sliced thinly
• 1 large red onion, peeled and sliced thinly
• Soft tacos, to serve
• Lettuce leaves, to serve
• Lime wedges, to serve
• Sour cream, to serve
• 1½ tablespoons paprika
• 2 teaspoons dried oregano
• 1 tablespoon ground cumin
• 1 teaspoon chilli flakes (optional)
• 2 garlic cloves, crushed
• 1 teaspoon brown sugar
• 1 teaspoon salt
• 1 teaspoon ground black pepper