My Family's Italian Stuffed Capsicum

Ingredients

• 1 cup (200g) Arborio rice
• 2 tablespoons (30ml) olive oil
• 1 medium onion, finely chopped
• 2 garlic cloves, minced
• 1 pound (450g) lean ground beef or turkey
• 1 can (14 oz or 400g) diced tomatoes, with juices
• 1 teaspoon dried oregano
• 1 teaspoon dried basil
• Salt and pepper, to taste
• 2 tablespoons (30g) grated Parmesan cheese (plus more for topping)
• Fresh parsley, chopped (for garnish)
• 4 large bell peppers (red, yellow, or green)
• 1 tablespoon (15ml) balsamic vinegar (optional)