Chicken Nanban Bento

Bahan-bahan (1 porsi)

• cooked Japanese short-grain rice
• chicken nanban ((pre- cooked))
• ⅛ Tbsp unsalted butter
• frozen mixed vegetables
• tomatoes
• broccoli ((pre-blanched, see Notes))
• Tamagoyaki (Japanese Rolled Omelette) ((pre- cooked))
• umeboshi (Japanese pickled plums)