French onion soup | Diabetes UK

Ingredients

• 3 tsp sunflower oil
• 1kg onions, finely chopped
• 400g sweet potatoes (cut into 12 wedges)
• 1 low-salt vegetable stock cube, dissolved in 800ml boiling water
• 4 slices wholemeal bread (30g per slice)
• 20g reduced-fat mature Cheddar cheese
• 20g mozzarella
• 1 tbsp fresh parsley, finely chopped, plus extra to serve
• good pinch pepper
• 1 tsp low-salt soy sauce