Ingredients

Serving Size - ____

•4 cups water
•⅔ cup lukewarm water (to pour in later)
•2 tsp salt (optional)
•2 tbsp white vinegar (optional)
•4 large eggs, cold

Sauce:
•¼ cup dashi/kombu (Japanese soup stock)
•½ tsp soy sauce
•2 tsp mirin