What is shoyu tamago (soy sauce egg)?

Shoyu tamago, also called soy sauce eggs or ramen eggs, are soft‑boiled eggs with a jammy yolk that have been peeled and marinated in a seasoned soy sauce mixture. The eggs absorb the marinade and take on a brown exterior and savory, umami-forward flavor. Common marinade ingredients include soy sauce (or tamari), mirin, water or dashi, and optional aromatics like garlic, ginger, or scallions. They’re served cold or slightly warm with ramen, rice bowls, salads, or as a snack.

How do I make shoyu tamago with a perfect jammy yolk?

For large eggs: gently simmer for 6–7 minutes for a custardy, slightly runny yolk. Immediately transfer to an ice bath for 5–10 minutes, then peel. For the marinade, combine about 1/2 cup soy sauce (or tamari), 1/2 cup mirin, and 1/2 cup water or dashi; add 1 tbsp sugar and optional ginger, garlic, or scallion. Submerge peeled eggs and marinate 4–12 hours in the fridge, turning once. Slice and serve cold or warmed briefly in soup.

Are shoyu tamago gluten-free?

Traditional soy sauce contains wheat, so typical shoyu tamago are not gluten‑free. To make them gluten‑free, swap soy sauce for tamari labeled gluten‑free or use a certified gluten‑free soy sauce. Also check mirin and any added seasonings—some brands use additives that can contain gluten. When serving for someone with celiac disease or severe sensitivity, use separate utensils and a fresh marinade to avoid cross‑contact.

How long do shoyu tamago last in the fridge and can I reuse the marinade?

Peeled shoyu tamago stored in their marinade should be eaten within 3 days in the refrigerator; the USDA advises using cooked eggs within 3–4 days. You can reuse marinade if you bring it to a rolling boil for at least 1–2 minutes to kill bacteria, cool it, then refrigerate and use within one week. If the marinade smells off, looks cloudy, or was in contact with raw eggs and not boiled, discard it to avoid food‑safety risk.

What’s the easiest way to peel soft‑boiled eggs for shoyu tamago?

Use eggs that are 5–10 days old (they peel more cleanly than very fresh eggs). After boiling, plunge eggs into an ice bath for 5–10 minutes to stop cooking and shrink the membrane slightly. Gently crack the shell all over, then peel under running water or in a bowl of water to help slip the shell away. Start at the wider end where there’s an air pocket, or use a spoon to ease the shell off without tearing the white.

Shoyu Tamago Recipe 7 Tips For Perfect Marinated Eggs

Name: Shoyu Tamago
Prep time: 8 h 5 min
Cook time: 7 min
Total time: 8 h 12 min
Cuisine: Japanese
Ingredients: 6 large eggs (preferably 4 to 5 days old); 3/4 cup low-sodium soy sauce; 3 tablespoons mirin or rice vinegar; 1/2 tablespoon sesame oil; 2 medium garlic cloves, thinly sliced; sticky rice for serving; thinly sliced seaweed for serving

Ingredients

Scale

6 large eggs (preferably 4 to 5 days old)

3/4 cup low-sodium soy sauce

3 tablespoons mirin or rice vinegar

1/2 tablespoon sesame oil

2 medium garlic cloves, thinly sliced

sticky rice for serving

thinly sliced seaweed for serving

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Instructions

1-Step 1: Boil the Eggs Bring a large pot of water to a rapid boil. Gently lower the 6 large eggs into the boiling water and start a 7-minute timer right away. Keep the heat high for a steady boil. This gives that perfect soft-boiled shoyu tamago with jammy yolk. If you prefer firmer, add a minute.

2-Step 2: Ice Bath Shock Prep an ice bath: large bowl with cold water and plenty of ice. With 15 seconds left on the timer, transfer eggs to the ice bath. Cool for 5 minutes. This stops cooking and makes peeling a breeze.

3-Step 3: Peel Under Water While still in the ice bath, gently crack and peel the eggs. The cold water helps shells slip off easily. Pat dry if needed. Pro tip: 4 to 5 days old eggs peel best.

4-Step 4: Whip Up the Marinade At room temperature, whisk 3/4 cup low-sodium soy sauce, 3 tablespoons mirin or rice vinegar, 1/2 tablespoon sesame oil, and 2 thinly sliced garlic cloves. Simple and savory!

5-Step 5: Marinate Overnight Place peeled eggs in the marinade, cover, and refrigerate 8 hours or overnight. Turn once halfway if not fully submerged for even flavor. This is key for shoyu tamago for ramen.

6-Step 6: Serve Sliced Slice eggs in halves or quarters. Serve over sticky rice with seaweed, or add to ramen or noodles. Eat cold or let sit 20 minutes at room temp for less chill.

Last Step:

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Notes

🥚 Use eggs purchased 4–5 days prior for easier peeling – fresher eggs are much harder to peel
🧊 Peel eggs while submerged in the ice bath for the best results and to prevent overcooking
⏰ Marinated eggs keep best if eaten within the first day; they can be stored up to 2 days in the refrigerator

Author: Brandi Oshea
Prep Time: 5 minutes
Marinating Time: 8 hours
Cook Time: 7 minutes
Category: Appetizer
Method: Marinating
Cuisine: Japanese
Diet: Vegetarian

Nutrition

Serving Size: 1 egg
Calories: 86
Sugar: 1.1 g
Sodium: 657 mg
Fat: 6.1 g
Saturated Fat: 1.7 g
Unsaturated Fat: 3.5 g
Trans Fat: 0 g
Carbohydrates: 1.1 g
Fiber: 0 g
Protein: 7 g
Cholesterol: 186 mg