Uni Pasta (Japanese Creamy Sea Urchin Spaghetti)

User Reviews

4.6

10 reviews
Excellent
  • Prep Time

    5 mins

  • Cook Time

    10 mins

  • Total Time

    15 mins

  • Servings

    2

  • Calories

    659 kcal

  • Course

    Main Course

  • Cuisine

    Japanese

Uni Pasta (Japanese Creamy Sea Urchin Spaghetti)

Uni Pasta is a popular Japanese-style spaghetti that features a delicate sauce of sweet and briny sea urchin, rich cream, and white wine. Believe it or not, this luxurious pasta takes just 15 minutes to prepare. It's an umami treat!

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Ingredients

Servings
  • 8 oz spaghetti (4 oz, 113 g per person)
  • Tbsp kosher salt for the pasta cooking water, Diamond Crystal brand

For the Sauce

  • 1 clove garlic
  • 1 shallot (minced; 3–4 Tbsp)
  • 1 Tbsp extra virgin olive oil
  • ¼ tsp crushed red pepper flakes
  • 2 Tbsp white wine
  • ¼ cup heavy cream whipping
  • 3 oz sea urchin reserve 3 pieces per serving for garnish, called uni
  • ¼ tsp kosher salt Diamond Crystal brand
  • tsp black pepper freshly ground
  • 2 Tbsp water optional; as needed to enrich the sauce, reserved pasta water

For the Garnish

  • 6 pieces sea urchin called uni
  • 2 Tbsp nori seaweed optional, shredded aka kizami nori

Instructions

  1. Start boiling 4 quarts (16 cups, 3.8 L) of water in a large pot. Gather all the ingredients.

To Cook the Pasta

  1. Once the water is boiling, add 1½ Tbsp Diamond Crystal kosher salt to the cooking water. Then, add 8 oz spaghetti. Stir to make sure the noodles don‘t stick to each other. Cook 1 minute less than the package instructions (the pasta will cook a bit more with the sauce). 

To Cut the Ingredients

  1. While you wait for the spaghetti to cook (about 10 minutes), start preparing the ingredients and then make the sauce. Mince 1 clove garlic (I used a garlic press) and 1 shallot. You will need about 3–4 Tbsp minced shallot. My shallot was large, so I reserved the rest for another use.

To Make the Pasta Sauce

  1. Heat a large frying pan over medium-low heat. Once it‘s warm, add 1 Tbsp extra virgin olive oil and evenly coat the pan. Then, add the minced garlic and ¼ tsp crushed red pepper (red pepper flakes). Sauté until fragrant, about 2 minutes. Do not use high heat; otherwise, the garlic and pepper flakes will burn.
  2. Add the minced shallot and sauté until translucent.
  3. Add 2 Tbsp white wine and mix it together.
  4. Add ¼ cup heavy (whipping) cream and combine well together.
  5. Add ¼ tsp Diamond Crystal kosher salt and ⅛ tsp freshly ground black pepper and mix well.
  6. Add 3 oz uni (sea urchin) to the pan, reserving some pieces for garnish. Use a wooden spatula to break up the uni into the cream mixture to form a smooth sauce, leaving some small chunks for texture.
  7. Taste the sauce and season with salt and black pepper, if needed. If your spaghetti is not done cooking, take your pan of sauce off the heat and cover with a lid so the sauce does not evaporate and thicken.
  8. When the noodles are done cooking, collect 2 Tbsp reserved pasta water. Then, either transfer the noodles to the sauce in the pan with tongs or drain the spaghetti into a colander before adding it to the sauce. Toss to evenly coat the spaghetti with the sauce, adding some or all of the reserved pasta water to enrich the sauce. You don‘t want the spaghetti to absorb all the sauce here, so work quickly.

To Serve

  1. Transfer the Uni Pasta to individual plates and garnish with the reserved 6 pieces uni (sea urchin) and 2 Tbsp shredded nori seaweed (kizami nori)(optional).

To Store

  1. You can keep the leftovers in an airtight container and store them in the refrigerator for up to 24 hours. I don‘t recommend freezing the leftovers.

Nutrition Information

Show Details
Calories 659kcal (33%) Carbohydrates 90g (30%) Protein 23g (46%) Fat 20g (31%) Saturated Fat 9g (45%) Polyunsaturated Fat 2g (12%) Monounsaturated Fat 8g (40%) Trans Fat 1g (50%) Cholesterol 157mg (52%) Sodium 255mg (11%) Potassium 506mg (11%) Fiber 4g (16%) Sugar 5g (10%) Vitamin A 14325IU (287%) Vitamin C 2mg (2%) Calcium 54mg (5%) Iron 2mg (11%)

Nutrition Facts

Serving: 2Serving

Amount Per Serving

Calories 659 kcal

% Daily Value*

Calories 659kcal 33%
Carbohydrates 90g 30%
Protein 23g 46%
Fat 20g 31%
Saturated Fat 9g 45%
Polyunsaturated Fat 2g 12%
Monounsaturated Fat 8g 40%
Trans Fat 1g 50%
Cholesterol 157mg 52%
Sodium 255mg 11%
Potassium 506mg 11%
Fiber 4g 16%
Sugar 5g 10%
Vitamin A 14325IU 287%
Vitamin C 2mg 2%
Calcium 54mg 5%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.

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