Porterhouse steak with avocado salsa

Ingredients

• 2 large Porterhouse steaks at room temperature
• ½ tablespoon vegetable oil
• 1 clove garlic cut in half
• 1 avocado, peeled and diced into large chunks
• 1 small capsicum, seeded and diced
• 8 cherry tomatoes, halved
• ½ small red onion, finely diced
• 2 tablespoons fresh coriander, chopped
• 1 tablespoon olive oil
• 1 tablespoon lime juice
• sea salt and freshly ground black pepper
• to serve
• salad leaves
• sour cream
• lime wedges (optional)