Easy Sweet potato and carrot soup | Kikkoman

Ingredients

• 300 g sweet potatoes
• 300 g carrots
• 1 small onion
• 1 tsp butter
• 750 ml stock
• 0.25 bunch parsley
• 0.25 bunch chives
• 100 g cream
• 2.5 tbsp Kikkoman Naturally Brewed Soy Sauce
• Freshly ground pepper
• 3.5 tbsp Kikkoman Mirin-Style Sweet Cooking Seasoning