If using ajitama (ramen eggs), they need to be started at least 48 hours in advance. If using danmuji (pickled radish), it needs to be started at least 24 hours in advance.
Sauce:
Toppings:
Mix sauce ingredients and whisk well.
Add onions to a pot. Add sauce mixture and bring to a simmer on medium heat. Simmer onions for 3-4 minutes until they start to turn translucent.
Add sliced beef and simmer until cooked through, ~1 minute.
Serve mixture over rice. Garnish with toppings.
Tags: Asian, beef, bowl, dairy-free, gluten-free, Japanese, main, nut-free, rice, rice bowl
