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Miso Butter Spaghetti with Scallions
Miso and garlic deliver a flavor upgrade to that classic kid food—buttered noodles. Softened butter mixed with miso, garlic, scallion whites and lemon juice creates a simple, flavorful no-cook sauce for pasta. The heat from the noodles and some of the starchy pasta cooking water melts the butter, creating a silky coating. Use mild white miso, assertive red miso or a combination. Spaghetti or linguine are good here, but short gemelli and casarecce also work. If using a short pasta, start by adding only 2 tablespoons pasta water when tossing the noodles with the butter mixture.
4-6
Servings
30 minutes
Ingredients
-
6
tablespoons salted butter, cut into 1-tablespoon pieces, room temperature
-
¼
cup plus 2 tablespoons white miso OR red miso
Directions
-
01In a large pot, bring 4 quarts water to a boil. Meanwhile, in a large bowl, using a silicone spatula, mash and stir the butter, miso, garlic, lemon juice, scallion whites and ¼ teaspoon pepper.
Reviews
May 21, 2026
Tasty, Fast & Different
That's my criteria for 5 stars these days and this one does all three. That said it is a little heavy, so but I think you could easily adjust a few things to lighten it up or make it a more balanced meal with the addition of veggies and protein. I had sauteed broccolini on the side and it could have been chopped up and added straight in. I also want to try it with zucchini noodles and little less butter and runny egg. Plenty of ways to personalize this one and make it your own.
March 25, 2026
Quick and delicious
My sons loved the new flavor of “spaghettis “ 🤣
December 30, 2025
Wow!
This was absolutely outstanding! So simple to make, too. It reminded me of my favorite meal as a kid, buttered noodles, but this is the grown-up, elevated version. I don't consume dairy, so I used Miyoko's plant-based butter, and after reading others' reviews, I used only 1/4 cup of reduced-sodium white miso. Everything else I followed exactly. This is a new favorite that will definitely go into the regular rotation. Perfect comfort food!
July 30, 2025
Delicious!
I made it with Pappardelle and added roasted sweet corn. Was easy and a great hit with the family. I didn’t think I was much of a fan at f miso, but I absolutely loved it in this recipe. The lemon juice added lightness to this summer pasta dish. It will be a regular.
April 29, 2025
tooo good
Luckily, I only had unsalted butter which I used before reading the top comment - so, it ended up being perfect - not too salty at all! I didn't even use the toasted walnuts but I can imagine they elevate this dish even further!! Delicious - really trying to not eat the whole pot.
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