Chubby Hubby - Sunday roast and chocolate cake

Ingredients

• 1/2 cup extra-virgin olive oil
• Zest and juice of 1 lemon
• 1 tablespoon red wine vinegar
• 2 handfuls of fresh Italian parsley, chopped
• 6 green onions, finely chopped
• 1 handful of fresh mint, chopped
• 1/3 cup salted capers, soaked in cold water 30 minutes, chopped
• 3 or 4 fillets of anchovies, chopped
• 1 teaspoon salt
• 1 2kg boneless leg of lamb, butterflied, trimmed
• 1/2 teaspoon ground black pepper
• 2 tablespoons minced garlic