Rice Croquettes with Mozzarella

Ingredients

• 1 tbsp extra virgin olive oil
• 1 small onion (finely chopped)
• 1 cup arborio (risotto) rice
• 4 tbsp dry vermouth
• 2 1/3 cup reduced-salt vegetable stock
• 1 egg (beaten)
• 1/3 cup Parmesan cheese (freshly grated)
• 2/3 cup fine white bread crumbs (made from bread 1-2 days old)
• 50 g mozzarella cheese (cut into 8 cubes)
• 100 g baby spinach (to serve)
• lemon wedges (to serve)
• pepper (to taste)