Savory mushroom spaghetti with miso, butter, and soy
Japanese Miso Butter Mushroom Pasta
Prep Time
10 min
Cook Time
20 min
Total Time
30 min
Servings
4
4 servings
Difficulty
Easy
Cost
Budget
$
Japanese Miso Butter Mushroom Pasta
Savory mushroom spaghetti with miso, butter, and soy
A pantry-smart pasta where mushrooms, butter, miso, and soy sauce come together into a glossy, deeply savory sauce.
10m
Prep Time
20m
Cook Time
30m
Total Time
4
Servings
Easy
Difficulty
Budget $
Cost
Sarah Chen
(Updated )
Japanese-style pasta is brilliant at turning a few high-impact ingredients into dinner. This version leans into mushroom savoriness and miso richness, making it feel much more complex than the ingredient list suggests.
Ingredients
HeatTool
Test Kitchen Pick
Saute Pan
Helpful Tool
Why a wide pan helps here
Recipes like this come together better when there is room to toss pasta or noodles directly in the sauce instead of crowding a smaller skillet.
A wider pan makes the sauce-and-finish step much easier.
- Better for tossing noodles in sauce
- More useful than a single-purpose pasta gadget
A large saute pan earns its keep quickly if pasta or noodle dishes are in regular rotation.
Shop saute pan options for this recipeInstructions
- 1
Cook the spaghetti in salted water until al dente, reserving 1/2 cup pasta water.
- 2
Meanwhile, saute the mushrooms in 2 tablespoons butter until deeply browned, then add the garlic.
- 3
Whisk the miso into the pasta water, then pour it into the skillet with the soy sauce and remaining butter.
- 4
Add the spaghetti and toss until glossy and coated.
- 5
Finish with scallions and plenty of black pepper before serving.
Serving Suggestions
Ways to Serve This Dish
Serve over steamed jasmine or sticky rice
Pair with a side of pickled vegetables or kimchi
Add a drizzle of sesame oil and toasted sesame seeds for extra flavor
Finish with freshly grated Parmesan and a crack of black pepper
Substitutions
White misoYellow miso
Yellow miso is slightly stronger but still works beautifully
SpaghettiUdon
Udon makes it chewier and even more comforting
DepthPantry
Test Kitchen Pick
Miso
Helpful Pantry Staple
Why the miso matters
Miso gives this recipe layered saltiness and a little sweetness that is hard to replace cleanly with a generic substitute.
This is the kind of pantry staple that changes depth more than volume.
- Adds savory depth without more work
- Useful in soups, dressings, and marinades
A tub of miso tends to earn its keep quickly once it is in the fridge.
Shop miso for this recipeTips & Storage
Pro Tips
Let the mushrooms brown without constant stirring so they develop real depth.
A splash of cream is optional, but the dish is excellent without it.
Storage
Refrigerate for up to 3 days.
Reheating
Reheat in a skillet with a splash of water to loosen the sauce.
Nutrition Facts
Per serving (1 bowl) · 4 servings
Calories430
LowModerateHigh
A moderate-calorie serving · based on a 2,000 cal daily diet
Protein13g
Carbohydrates54g
Fat18g
Fiber3g
Sugar4g
Sodium690mg
Nutritional values are approximate and may vary based on specific ingredients and preparation methods.
Frequently Asked Questions
- Can I add protein?
- Yes. Seared shrimp or shredded rotisserie chicken both fit naturally here.
- What mushrooms work best?
- Shiitake and cremini are a great combination, but any good sauteing mushrooms work.
About Sarah Chen
Sarah Chen is a professional recipe developer and food editor with over a decade of experience in test kitchens and food media. She trained at the Culinary Institute of America before spending six years developing and testing recipes for national food publications, where she honed her ability to translate restaurant techniques into approachable home cooking. At RecipePool, Sarah leads recipe development, ensuring every dish is tested at least three times for clarity, accuracy, and genuine deliciousness. When she is not in the kitchen, she is browsing farmers markets and collecting vintage cookbooks.
View all recipes →Some product links on this page may be affiliate links. As an Amazon Associate RecipePool earns from qualifying purchases.