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Breakfast · Part 1 of 3: Ingredients

Jammy Soy-Marinated Eggs for Effortless Meal Prep

A close-up shot of a jammy soy-marinated egg sliced in half, revealing a translucent amber yolk on toasted sourdough bread.
Prep
Cook
Total
Serves
4
Includes 12 h resting

Elevate your breakfast routine with these jammy soy-marinated eggs, a classic component of high-end ramen that works perfectly at home. With a silky, translucent yolk and a deep savory glaze, these eggs offer a sophisticated flavor profile that transforms simple toast into a gourmet experience.

Whether you are prepping for a busy week or looking for an impressive brunch addition, this simple method guarantees consistent, restaurant-quality results every single time you make them.

The secret to the perfect jammy egg lies in precision timing and a flavorful soak. By combining soy sauce, mirin, and aromatics, you create a balanced marinade that infuses the egg whites with umami while preserving the creamy, custard-like texture of the yolk.

This recipe is designed for ease, requiring minimal active prep time while the refrigerator does the heavy lifting to develop the final flavor. Follow these steps to achieve that signature amber yolk and deep, savory finish that makes these eggs truly addictive.

Ingredients

Makes 4 eggs · serves 4

Marinade

  • 60 ml dark soy sauce
  • 60 ml mirin
  • 60 ml water
  • 10 g brown sugar
  • 2 garlic cloves, smashed
  • 1 star anise
  • 4 large eggs
Contains: eggs, soy, gluten, sulfites
Food safety: These eggs are soft-boiled with a runny yolk. Pasteurized eggs are advised for pregnant women, young children, older adults, and those with weakened immune systems.

Why this recipe works

The combination of soy sauce, mirin, and water creates the perfect osmotic balance for marinating. The soy sauce provides the salt and deep color, while the mirin adds a necessary touch of sweetness and depth that rounds out the harshness of the salt. This specific ratio ensures the eggs develop a rich, complex flavor without becoming overly salty or tough, maintaining the integrity of the delicate white and the luxurious, creamy texture of the yolk.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

The precise boiling time of six minutes and thirty seconds is critical for achieving the ideal jammy consistency. By immediately plunging the eggs into an ice bath, you effectively halt the residual heat, preventing the yolk from hardening further.

This thermal shock not only locks in the perfect texture but also causes the egg to contract slightly inside the shell, making the peeling process significantly easier and resulting in a smooth, pristine surface for the marinade to coat evenly.

Notes and substitutions

When selecting ingredients, choose high-quality dark soy sauce for the best color and depth of flavor. If you only have regular soy sauce, it will still work perfectly, though the aesthetic finish will be slightly lighter.

Ensure your mirin is genuine; it provides the essential subtle sweetness that balances the savory notes of the soy. If you cannot find star anise, a small piece of cinnamon or a dash of five-spice can provide a similar aromatic complexity to the marinade base.

The choice of container for marinating is important for even distribution. A narrow, airtight container is ideal as it requires less marinade to fully submerge the eggs. If the eggs float, gently press them down with a small piece of parchment paper or a paper towel to ensure they are completely covered by the liquid. This simple technique prevents uneven marination and ensures every part of the egg white absorbs the savory flavors of the garlic, star anise, and soy base.

  • dark soy sauce: regular soy sauce will work fine, though the color will be slightly lighter.
  • star anise: a small piece of cinnamon stick or a pinch of five-spice powder.

Equipment

  • Small mixing bowl
  • Whisk
  • Small saucepan
  • Slotted spoon
  • Ice bath bowl
  • Airtight container

Coming up in Part 2: the method

  1. Marinade Preparation · 1 stepPrepare the Marinade
  2. Boiling and Cooling · 1 stepBoil and Shock the Eggs
  3. Peeling and Marinating · 1 stepPeel and Marinate

Up next · Part 2 of 3

3 steps · 7 min of cooking · what to look for at each stage

Step-by-step instructions (Part 2)