Sweet and sour chicken with bok choy and mango

Ingredients

• 2 chicken breasts
• 1 red onion
• 200 grams mushrooms
• 2 bell peppers
• 150 grams snow peas
• 2 small bok choy
• 1 ripe mango
• Small handful of toasted sesame seeds
• Rice for serving
• 4 tablespoons tomato ketchup
• 2 garlic cloves
• 1 tablespoon ginger syrup
• 2 tablespoons vinegar
• 2 tablespoons soy sauce
• Splash of water