No. 9 Park's Creamy Gnocchi with Peas and Mushrooms
No. 9 Park's Creamy Gnocchi with Peas and Mushrooms is a medium Italian-American recipe that serves 4. 460 calories per serving. Recipe by J. Kenji López-Alt on YouTube.
Prep: 10 min | Cook: 52 min | Total: 1 hr 17 min
Cost: $13.14 total, $3.28 per serving
Ingredients
- 2 cups Heavy Cream (Will be reduced to about two‑thirds; use for sauce)
- 2 cloves Garlic (Lightly crushed, added to cream for flavor)
- 2 tablespoons Extra Virgin Olive Oil (For tossing mushrooms before roasting)
- 8 ounces Button Mushrooms (Quartered; can use cremini or mixed wild mushrooms)
- 2 sprigs Fresh Thyme (Adds aroma while roasting mushrooms)
- 1 teaspoon Salt (Season mushrooms and sauce)
- 1/2 teaspoon Black Pepper (Freshly ground, for mushrooms and sauce)
- 1 pound Store‑Bought Potato Gnocchi (Can be fresh or refrigerated; use as‑is)
- 1 cup Frozen Peas (Add during the last 30 seconds of gnocchi cooking)
- 2 tablespoons Fresh Chives (Finely chopped; garnish)
Instructions
Reduce the Cream
Add 2 cups heavy cream and the lightly crushed garlic cloves to a saucepan. Bring to a bare simmer over medium‑high heat, then lower to a gentle simmer and reduce until the volume is about two‑thirds, roughly 10‑15 minutes.
Time: PT15M
Prepare and Roast Mushrooms
Trim the mushroom stems, then quarter each mushroom by cutting lengthwise, rolling, and cutting again. Toss the quarters with 2 tbsp olive oil, salt, pepper, and 2 sprigs thyme until evenly coated. Spread on a baking sheet and roast in a preheated 400°F toaster oven for about 30 minutes, shaking once halfway through.
Time: PT30M
Temperature: 400°F
Boil Water for Gnocchi
Fill a large pot with water, add a generous pinch of salt, and bring to a rolling boil.
Time: PT10M
Cook Gnocchi and Peas
Add the gnocchi to the boiling water. When they rise to the surface (about 2‑3 minutes), add the frozen peas and cook for an additional 30 seconds. Use a slotted spoon to transfer gnocchi and peas to a warm bowl.
Time: PT5M
Finish the Cream Sauce
Return the reduced cream to low heat. Remove the softened garlic cloves (optional). Season the sauce with salt and pepper to taste. If the sauce looks too thick or begins to separate, whisk in a splash of reserved gnocchi cooking water.
Time: PT5M
Combine and Serve
In a skillet, gently warm the roasted mushrooms. Add the cooked gnocchi, peas, and cream sauce, tossing to coat everything evenly. Sprinkle chopped chives on top and serve immediately in a warm bowl.
Time: PT2M
Nutrition Facts
- Calories
- 460
- Protein
- 12 g
- Carbohydrates
- 58 g
- Fat
- 20 g
- Fiber
- 4 g
Dietary info: Vegetarian, Can be made vegan by substituting cream with coconut cream and using gluten‑free gnocchi
Allergens: Dairy, Gluten
Ingredient Substitutions
- Instead of Heavy Cream: Half‑and‑half (will be less rich)
- Instead of Garlic: Garlic powder (1/4 tsp)
- Instead of Extra Virgin Olive Oil: Vegetable oil, Canola oil
- Instead of Button Mushrooms: Portobello, shiitake
- Instead of Fresh Thyme: Dried thyme (1/4 tsp)
- Instead of Store‑Bought Potato Gnocchi: Homemade gnocchi
- Instead of Frozen Peas: Fresh peas (blanched)
- Instead of Fresh Chives: Green onions (scallions)
Equipment Needed
- Saucepan
- Baking Sheet
- Toaster Oven or Conventional Oven
- Skillet or Sauté Pan
- Large Pot for Boiling
- Cutting Board
- Chef's Knife
- Measuring Cups and Spoons
- Tongs (optional)
- Ladle or Large Spoon (optional)
Critical Steps — Do Not Skip
- Reducing the cream without scorching it.
- Roasting mushrooms to a brown yet pliable texture.
- Cooking gnocchi only until they float.
- Adjusting the sauce with pasta water if it begins to break.
Chef Tips from the Video
- Use fresh thyme sprigs during roasting for a subtle herb aroma.
- Reserve a cup of gnocchi cooking water; it’s the secret to fixing a broken sauce.
- Chop chives just before serving to retain their bright flavor and color.
Troubleshooting
Cream sauce separates or looks grainy.
Add a splash of reserved gnocchi cooking water while whisking vigorously to bring the emulsion back together.
Mushrooms become dry and crisp.
Roast at 400°F for a shorter time or remove them from the oven as soon as they are browned but still pliable.
Gnocchi turn mushy.
Cook only until they float; overcooking releases excess starch and makes them soggy.
Storage
Refrigerator: Store sauce, roasted mushrooms, and cooked gnocchi in separate airtight containers for up to 3 days.
Freezer: Gnocchi can be frozen raw (uncooked) but cooked gnocchi loses texture; avoid freezing the assembled dish.
Room temperature: Do not leave at room temperature for more than 2 hours.
Make-Ahead Tips
- Reduce the cream sauce up to 2 days ahead and store in the fridge.
- Roast mushrooms in advance; reheat quickly in a skillet before serving.
- Cook gnocchi fresh for best texture, but you can par‑cook and chill for up to 24 hours.
Frequently Asked Questions
What is the cultural significance and history of potato gnocchi with roasted mushrooms and peas in Italian‑American cuisine?
Gnocchi originated in Italy as a humble pasta made from potatoes, flour, and eggs. In Italian‑American restaurants, especially in the Northeast, gnocchi is often paired with seasonal vegetables like mushrooms and peas and finished with a rich cream sauce, reflecting the American love for comforting, buttery dishes.
What are the traditional regional variations of gnocchi with mushrooms and peas in Italian cuisine?
In northern Italy, gnocchi is sometimes served with a simple butter‑sage sauce and sautéed mushrooms. In the Emilia‑Romagna region, peas and pancetta are added, while in the United States many chefs use a heavy‑cream reduction for extra richness, as demonstrated by J. Kenji López‑Alt.
How is gnocchi with roasted mushrooms and peas traditionally served in Italian‑American restaurants?
It is typically plated hot in a shallow bowl, tossed with a silky cream sauce, topped with fresh chives or parsley, and served with crusty bread to soak up any extra sauce. The dish is often presented as a standalone entrée or as part of a multi‑course Italian‑American dinner.
What occasions or celebrations is gnocchi with roasted mushrooms and peas traditionally associated with in Italian‑American culture?
Gnocchi dishes are popular for family gatherings, holiday meals such as Christmas Eve, and casual weeknight dinners. The creamy version with mushrooms and peas is especially favored during cooler months for its comforting warmth.
What authentic ingredients are essential for gnocchi with roasted mushrooms and peas, and what are acceptable substitutes?
Authentic ingredients include potato gnocchi, fresh mushrooms, peas, heavy cream, garlic, and fresh herbs like thyme and chives. Acceptable substitutes are gluten‑free gnocchi, coconut cream for a dairy‑free version, and frozen peas instead of fresh.
What other Italian‑American dishes pair well with gnocchi with roasted mushrooms and peas?
Pair it with a crisp green salad dressed with lemon vinaigrette, roasted chicken or pork tenderloin, and a glass of lightly oaked Chardonnay or Pinot Grigio to balance the richness of the cream sauce.
What are the most common mistakes to avoid when making gnocchi with roasted mushrooms and peas at home?
Common mistakes include over‑reducing the cream until it burns, roasting mushrooms until they become dry chips, overcooking gnocchi so they turn mushy, and forgetting to season the sauce. Following Kenji’s timing and using pasta water to rescue the sauce prevents these issues.
Why does this gnocchi recipe use a reduced heavy‑cream sauce instead of a butter‑only sauce?
Kenji reduces heavy cream to concentrate flavor while maintaining a silky texture. A butter‑only sauce would lack the body needed to coat the gnocchi and peas evenly, especially when the dish is assembled quickly at service.
Can I make gnocchi with roasted mushrooms and peas ahead of time and how should I store it?
Yes. Store the reduced cream sauce, roasted mushrooms, and cooked gnocchi in separate airtight containers in the refrigerator for up to 3 days. Reheat the sauce gently, warm the mushrooms, and toss everything together just before serving.
What texture and appearance should I look for when the cream sauce is finished?
The sauce should be glossy, coat the back of a spoon, and be thick enough to cling to the gnocchi without pooling. It should not have a grainy texture or separate fat droplets; if it does, whisk in a little pasta water.
What does the YouTube channel J. Kenji López‑Alt specialize in?
The YouTube channel J. Kenji López‑Alt focuses on science‑based cooking techniques, restaurant‑style recipes, and detailed explanations that help home cooks understand the why behind each step.
How does the YouTube channel J. Kenji López‑Alt's approach to Italian‑American cooking differ from other cooking channels?
Kenji emphasizes component‑by‑component preparation, precise temperature control, and troubleshooting tips, whereas many other channels present a more linear, less analytical method. This systematic approach mirrors professional kitchen workflow.
Last updated: August 21, 2026
