Ajitsuke Tamago, or Japanese Ramen Eggs, are a delicious addition to any bowl of ramen. These soft-boiled eggs are marinated in a savory mixture, giving them a rich umami flavor that complements the broth and noodles perfectly. They can also be enjoyed as a tasty snack on their own.
When preparing this recipe, you might need to visit a supermarket for a few specific ingredients. Soy sauce and sugar are common pantry items, but mirin might not be as familiar. Mirin is a sweet rice wine used in Japanese cooking, adding a subtle sweetness and depth of flavor to the marinade. Make sure to check the Asian foods section of your supermarket for this ingredient.
Ingredients for Ajitsuke Tamago (Japanese Ramen Egg)
Eggs: The main ingredient, providing the base for the dish.
Soy sauce: Adds a salty, umami flavor to the marinade.
Mirin: A sweet rice wine that enhances the overall taste.
Water: Used to dilute the marinade to the right consistency.
Sugar: Balances the saltiness of the soy sauce with a touch of sweetness.
Technique Tip for Making Ramen Eggs
When peeling the eggs, gently tap them on a hard surface to create small cracks all over the shell. This will make it easier to remove the shell without damaging the delicate egg whites. Additionally, if you want a more intense flavor, you can extend the marinating time up to 24 hours, but be cautious as the eggs may become too salty if left for too long.
Suggested Side Dishes
Alternative Ingredients
eggs - Substitute with tofu: Use firm tofu cut into egg-sized pieces and marinate similarly. This works well for a vegan alternative.
soy sauce - Substitute with tamari: Tamari is a gluten-free alternative that has a similar flavor profile to soy sauce.
soy sauce - Substitute with coconut aminos: Coconut aminos are a soy-free and lower-sodium alternative that still provides a savory umami flavor.
mirin - Substitute with sake and sugar: Mix equal parts sake and sugar to mimic the sweet and tangy flavor of mirin.
mirin - Substitute with rice vinegar and sugar: Combine rice vinegar with a bit of sugar to achieve a similar sweetness and acidity.
water - Substitute with vegetable broth: Vegetable broth can add extra flavor to the marinade compared to plain water.
sugar - Substitute with honey: Honey can provide a similar sweetness with a slightly different flavor profile.
sugar - Substitute with maple syrup: Maple syrup offers a natural sweetness and a unique flavor that complements the marinade.
Alternative Recipes Similar to Ramen Eggs
How to Store/Freeze Ramen Eggs
- To store your Ajitsuke Tamago, place the marinated eggs in an airtight container. Ensure they are fully submerged in the marinade to maintain their flavor and texture.
- Keep the container in the refrigerator. The eggs will stay fresh and flavorful for up to 3 days. Beyond this period, the texture may become too firm, and the flavor might intensify more than desired.
- If you wish to freeze the eggs, it is best to do so without the marinade. Place the peeled eggs in a single layer on a baking sheet lined with parchment paper. Freeze until solid, which usually takes about 1-2 hours.
- Once frozen, transfer the eggs to a freezer-safe bag or container. Label with the date and store in the freezer for up to 1 month.
- When ready to use, thaw the eggs in the refrigerator overnight. For best results, re-marinate the thawed eggs in fresh soy sauce, mirin, water, and sugar mixture for a few hours before serving.
- Avoid refreezing the eggs once thawed, as this can negatively affect their texture and flavor.
- For a quick snack, slice the thawed and re-marinated eggs in half and enjoy them as they are, or add them to your favorite ramen soup for an authentic touch.
How to Reheat Leftovers
Gently warm the eggs in a saucepan of simmering water for about 2-3 minutes. This method ensures the eggs are heated through without overcooking the yolk.
Place the eggs in a bowl and pour hot (not boiling) water over them. Let them sit for 5 minutes. This gentle reheating method helps maintain the delicate texture of the eggs.
Use a steamer basket over simmering water. Steam the eggs for 2-3 minutes. This method evenly warms the eggs without making them rubbery.
If you prefer using a microwave, place the eggs in a microwave-safe bowl and cover them with a damp paper towel. Heat on medium power for 20-30 seconds. Be cautious, as microwaving can sometimes cause the eggs to explode if overheated.
For a quick fix, you can also slice the eggs in half and place them in a bowl of hot ramen broth for a minute or two. This not only reheats the eggs but also infuses them with additional flavor.
Best Tools for Making Ramen Eggs
Saucepan: Used to boil water for cooking the eggs.
Bowl: Used to hold ice water for cooling the eggs after boiling.
Ice: Needed to create an ice water bath for cooling the eggs quickly.
Plastic bag: Used to marinate the eggs in the soy sauce mixture.
Container: An alternative to a plastic bag for marinating the eggs.
Measuring cup: Used to measure the soy sauce, mirin, and water accurately.
Tablespoon: Used to measure the sugar.
Spoon: Used to stir the marinade until the sugar dissolves.
Knife: Used to slice the eggs in half before serving.
Cutting board: Used as a surface to slice the eggs.
How to Save Time on Making Ramen Eggs
Boil eggs in advance: Cook the eggs ahead of time and store them in the refrigerator until ready to marinate.
Use a timer: Set a timer for the exact cooking time to ensure perfectly cooked eggs every time.
Prepare marinade ahead: Mix the soy sauce, mirin, water, and sugar in advance and store in the refrigerator.
Peel under water: Peel the eggs under running water to make the process quicker and easier.
Marinate in a bag: Use a plastic bag for marinating to ensure the eggs are fully submerged and evenly coated.

Ajitsuke Tamago (Japanese Ramen Egg) Recipe
Ingredients
Main Ingredients
- 4 large eggs
- ½ cup soy sauce
- ½ cup mirin
- ½ cup water
- 1 tablespoon sugar
Instructions
- 1. Bring a saucepan of water to a boil. Carefully add the eggs and cook for 7 minutes.
- 2. Transfer the eggs to a bowl of ice water and let them cool for 5 minutes.
- 3. Peel the eggs and set aside.
- 4. In a plastic bag or container, mix soy sauce, mirin, water, and sugar until the sugar dissolves.
- 5. Add the peeled eggs to the marinade, ensuring they are fully submerged. Marinate in the refrigerator for at least 4 hours or overnight for best results.
- 6. Remove the eggs from the marinade, slice in half, and serve with ramen or enjoy as a snack.
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