Chinese-Style Chicken and Sweetcorn Soup

Ingredients

• 2 medium chicken breasts (approx 150g each)
• 1 small onion (peeled and finely diced)
• 250 g sweetcorn (frozen or tinned and drained)
• 2 cloves of garlic (peeled and crushed)
• 2 cm piece of ginger (peeled and grated)
• 3 tbsp light soy sauce
• 2 tsp rice vinegar
• 1 chicken stock pot
• 2 tbsp corn flour
• 1 large egg (beaten)
• low calorie cooking spray
• 2 spring onions (finely sliced)