Courgette and sausage baked risotto

Ingredients

• 1 onion, chopped
• 3 cloves garlic, sliced
• 1 cup arborio rice
• 2 courgettes, sliced
• 2 400g can diced tomatoes
• 1/2 green capsicum, deseeded, chopped
• 1 cup chicken stock
• 4 fresh lamb and mint sausages
• 1 cup grated cheese
• 1 tablespoon chopped parsley for garnish
• 200 grams frozen peas, steamed
• Pantry items
• 2 tablespoons oil
• 1/2 cup water
• 1 teaspoon brown sugar
• salt and pepper to taste