Simple Udon Egg Soup with Dashi Broth

🍜 Simple Udon Egg Soup with Dashi Broth


Ingredients

  • 1 tbsp Katakuriko potato starch (or corn starch)

  • 1 ½ cup + 2 tbsp water (divided)

  • 1 tsp dashi powder

  • 1 tbsp soy sauce

  • 2 tbsp mirin

  • 1 block frozen udon (or 1 serving boiled udon)

  • 1 egg, beaten

  • 1 green onion, finely chopped


Instructions

1️⃣ Cook the udon:

  • If using frozen udon, cook according to package instructions until loosened.

  • If using boiled udon, have it ready and drained.

2️⃣ Make the broth:

  • In a saucepan, add 1 ½ cups of water and 1 teaspoon of dashi powder.

  • Bring to a gentle simmer over medium heat.

  • Add 1 tbsp soy sauce and 2 tbsp mirin. Stir to combine.

3️⃣ Make the starch slurry:

  • In a small bowl, mix 1 tablespoon of katakuriko (or cornstarch) with 2 tablespoons of water until smooth.

4️⃣ . Thicken the soup:

  • Once the broth is gently simmering, stir it while slowly pouring in the starch slurry.

  • Continue stirring until the broth has slightly thickened and become glossy.

5️⃣ . Add the egg:

  • Reduce heat to low.

  • Slowly drizzle in the beaten egg in a circular motion while stirring gently to create ribbons.

6️⃣ Add the udon:

  • Add the cooked udon noodles to the pot.

  • Heat through for 1–2 minutes.

7️⃣ Serve:

  • Pour into a bowl and top with finely chopped green onions.

  • Enjoy immediately while hot!


Notes:

✅ Add shichimi togarashi (Japanese 7-spice) if you want a spicy kick.
✅ You can add
mushrooms, spinach, or wakame if you wish to bulk up the soup.
✅ The thickened broth helps coat the udon and makes it comforting on cold days.