
If you’ve ever had ramen in Japan, you probably remember those rich, flavorful eggs with a slightly soft, creamy yolk. This recipe will show you how to recreate those addictive soy-marinated eggs (Ajitsuke Tamago) at home with simple ingredients.
They are perfect for ramen, rice bowls, salads—or just as a snack. Once you try them, you’ll want to keep a batch in your fridge at all times.
Why You’ll Love This Recipe
- Easy to make with just a few ingredients
- Packed with umami flavor
- Meal-prep friendly (lasts several days)
- Works even if you can’t find traditional Japanese ingredients

Instructions
- Bring a pot of water to a boil. Carefully add the eggs and cook for 6–7 minutes for a soft yolk or 8–9 minutes for a firmer yolk.
- Transfer the eggs immediately into ice water to stop the cooking process.
- Gently peel the eggs under running water to keep the surface smooth.
- In a small saucepan, combine soy sauce, mirin (or sugar substitute), sake, and sugar.
- Bring the marinade to a gentle boil to remove the alcohol and deepen the flavor.
- Remove from heat and let the marinade cool to room temperature.
- Place the peeled eggs into a container or zip bag.
- Pour the cooled marinade over the eggs.
- Let marinate for at least 4 hours, or overnight for the best flavor
Tips for Perfect Eggs
- Slightly soft yolks create the best creamy texture
- Use a zip bag to evenly coat eggs with less marinade
- Let the marinade cool before adding eggs (important!)
- Adjust sugar depending on your taste preference
How to serve
These eggs are incredibly versatile:
- Add to ramen for an authentic touch
- Serve over warm rice
- Pair with salads or grain bowls
- Enjoy as a protein-rich snack
Storage Tips
Store in the refrigerator for up to 3–4 days.
Keep the eggs in the marinade for deeper flavor.
Frequently Asked Questions
Can I skip sake?
Yes. You can omit it or replace it with a little water. The flavor will still be delicious.
What if I don’t have mirin?
You can substitute with sugar (as listed) or a mix of sugar and a small splash of water.
Why boil the marinade?
Boiling removes the alcohol from sake and creates a smoother, richer taste.


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