• Step 1: Prepare the Vibrant Pistachio Pesto. Begin by gathering all your pesto ingredients: the unsalted pistachios, fresh basil, finely minced garlic, grated Pecorino Romano, and extra virgin olive oil. For effortless blending and to achieve a beautifully smooth consistency, an immersion blender is incredibly effective. Simply add all these ingredients to a bowl and blitz them until they form a smooth, bright green paste. Don’t worry if there are a few slightly larger pistachio chunks remaining; these can actually add a lovely, subtle textural element to the final sauce, enhancing the rustic charm of the dish. (See **photos 1 and 2** for a visual guide to this crucial step).

• Step 2: Achieve Perfectly Crispy Guanciale. The key to rendering guanciale to golden, irresistible crispness is to begin the cooking process in a cold pan. Place the diced guanciale into a cold skillet, then turn the heat to medium-low. This allows the fat to slowly and gently render out, resulting in incredibly crispy pieces that are full of flavor, without the risk of burning. Fry the guanciale until it reaches a beautiful golden brown and develops a satisfying crunch. Once done, use a slotted spoon to remove the crispy guanciale and transfer it to a plate lined with paper towels to absorb any excess fat. Crucially, leave the highly flavorful rendered fat in the pan. Carefully pour any remaining excess fat into a small ramekin; it can be discarded once solidified or saved to impart amazing flavor to other dishes. (See **photos 3 and 4** for clear visual cues on frying guanciale).

• Step 3: Cook the Pasta to Al Dente Perfection. Bring a large pot of water to a vigorous, rolling boil. Remember to generously salt the water until it tastes distinctly like the sea – this is essential for seasoning the pasta from within. Add your chosen pasta, in our case, elegant tagliatelle, and cook according to the package directions until it’s perfectly al dente. This means it should be tender yet still have a slight, pleasant bite to it. Keep in mind that tagliatelle typically cooks quite quickly, usually around 5 minutes, which is the ideal timeframe to simultaneously prepare your exquisite cream sauce. Before draining, reserve about 1 to 2 cups of this starchy pasta water, as it will be vital for adjusting the sauce consistency.
• Step 4: Create the Silky Pistachio Cream Sauce. While the pasta cooks its final minutes, return to the pan where you expertly fried the guanciale. Crucially, **do not wipe the pan clean**; the residual guanciale fat is a flavor powerhouse and will infuse the sauce with incredible depth and richness. Add the heavy cream to this pan and bring it to a gentle simmer, allowing it to slightly thicken for a minute or two. Once simmering, reduce the heat to very low, almost off, then stir in the finely grated Parmigiano Reggiano cheese along with a pinch of salt and pepper. Continue stirring until the cheese is completely melted and smoothly incorporated. Finally, add your freshly made pistachio pesto to the cream and mix everything thoroughly until the pesto is fully combined, transforming the sauce into a wonderfully smooth, vibrant green, and irresistibly aromatic concoction. (See **photos 5-7** for a visual step-by-step of the sauce preparation).

Expert Tips for the Ultimate Creamy Pistachio Pasta

• Pesto Prep Ahead for Maximum Ease: To significantly streamline your cooking process on the day of, make your homemade pistachio pesto first and set it aside. You can even prepare it a day or two in advance. Store it in an airtight container in the refrigerator, ensuring you press a layer of plastic wrap directly onto the surface of the pesto, or pour a thin layer of olive oil over it, to prevent oxidation and maintain its vibrant green color and fresh flavor.
• Mastering Guanciale Frying: The Cold Pan Method: This is a crucial technique for perfectly crispy guanciale. Always add your diced guanciale to a cold pan before turning on the heat to medium-low. This gradual heating allows the fat to render slowly and evenly, resulting in beautifully golden, crispy pieces. If you start in a hot pan, the guanciale can burn very easily and quickly, turning bitter and tough rather than tender and crisp.
• Achieving Perfect Sauce Consistency with Pasta Water: The texture of your sauce is paramount to this dish’s success. It should be thick enough to generously cling to every strand of pasta but still wonderfully silky and smooth, not clumpy or overly dry. If the sauce appears too thick, gradually adjust its consistency by adding small splashes of the reserved starchy pasta water, a tablespoon at a time, while stirring continuously. The starch in the pasta water not only thins the sauce but also helps to emulsify it, creating a truly luscious and cohesive texture.
• Serving and Storing Leftovers: Like most cream-based pasta sauces, this dish is truly best enjoyed immediately upon preparation, when the sauce is at its freshest and most vibrant. As it cools, the sauce will naturally thicken quite a bit. If you happen to have leftovers, store them in an airtight container in the refrigerator for up to 2-3 days. When reheating, gently warm the pasta on the stovetop over low heat, adding a splash of water or a little extra cream to loosen the sauce back to its original silky and inviting texture.
• Don’t Be Shy with Pasta Water Salt: A fundamental Italian cooking principle is to generously salt your pasta water until it tastes like the sea. This step is non-negotiable, as it seasons the pasta from within, adding incredible flavor. This seasoned, starchy water then becomes your secret weapon for adjusting the sauce consistency, contributing both flavor and perfect texture.
• Serve Warm Plates: For the ultimate dining experience, serve your creamy pistachio pasta on warmed plates or in warm bowls. This helps to keep the pasta hot and the sauce at its ideal consistency for longer, enhancing the overall enjoyment of this delicious dish.

Creamy Pistachio Pasta with Crispy Guanciale

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By Emily

Prep: 20 mins | Cook: 5 mins | Total: 25 mins

Servings: 4 – 6 servings

Ingredients

Instructions

1. Bring a large pot of water to a rolling boil. Season the water generously with salt until it tastes like the sea. This is crucial for seasoning the pasta from within.
2. **Meanwhile, Prepare the Pistachio Pesto:** In a medium bowl, combine the unsalted pistachios, fresh basil leaves, finely minced half-clove of garlic, grated Pecorino Romano, and 4-5 tablespoons of extra virgin olive oil. Use an immersion blender or a food processor to blitz the mixture until it forms a smooth, vibrant green paste. Season the pesto with a pinch of salt and freshly ground black pepper to your liking. Set aside.
3. **Render the Guanciale:** Carefully trim any tough skin or heavily seasoned edges from the guanciale, then cut it into small, even strips. Place the diced guanciale into a cold, large skillet or frying pan. Turn the heat to medium-low. Slowly fry the guanciale, allowing its fat to render gently, until the pieces are beautifully golden brown and delightfully crispy. Be vigilant; guanciale can burn quickly and become bitter if the heat is too high.
4. Once perfectly crispy, remove the guanciale from the pan using a slotted spoon and transfer it to a plate lined with a paper towel to drain any excess fat. Crucially, leave the highly flavorful rendered fat in the pan. Carefully pour any remaining excess fat into a separate heatproof ramekin; it can be discarded once solidified or saved to impart amazing flavor to other dishes.
5. **Cook the Pasta:** Add your chosen pasta (e.g., tagliatelle) to the boiling salted water. Cook according to package instructions until it reaches a perfect al dente consistency – tender yet firm to the bite. Before draining, reserve about 1-2 cups of this starchy pasta water. This will be vital for adjusting the sauce consistency.
6. **Create the Creamy Sauce Base:** While the pasta cooks its final minutes, return the same pan (where the guanciale was cooked, without wiping it clean) to the stovetop. Add the heavy cream to the pan and bring it to a gentle simmer over low heat. Let it simmer for a minute or two until it slightly thickens. Then, turn the heat down very low, almost off, and stir in the grated Parmigiano Reggiano cheese along with a pinch of salt and pepper. Continue stirring until the cheese is completely melted and smoothly incorporated.
7. **Combine Pesto and Cream:** Add the prepared pistachio pesto to the cream mixture in the pan. Stir thoroughly until the pesto is fully combined and the sauce has an even, vibrant green color. At this point, the sauce might be quite thick. Add a small splash of the reserved pasta water, stirring well, to loosen the sauce to a beautiful, silky consistency. Add more pasta water a tablespoon at a time until you reach your desired texture.
8. **Toss and Serve:** When your pasta is ready and perfectly al dente, use tongs to transfer it directly from its pot into the pan with the warm, creamy pistachio sauce. Toss the pasta vigorously, ensuring every strand is thoroughly coated in the rich, nutty, and savory goodness. Serve the pasta immediately in warm bowls, topped generously with the crispy guanciale. Enjoy your gourmet Italian meal!

Recipe Notes and Pro Tips

1. Pesto Prep Ahead: Save time by making your pistachio pesto a day in advance. Store it in an airtight container in the fridge, covering the surface with a thin layer of olive oil to prevent oxidation and maintain its vibrant green color.
2. Guanciale Frying Technique: Always start guanciale in a cold pan over low to medium-low heat. This renders the fat slowly and effectively, resulting in perfectly crisp pieces. High heat will cause it to burn quickly, leading to a bitter taste.
3. Sauce Consistency is Key: The ideal sauce should be thick enough to coat the pasta but remain smooth and silky. Adjust its thickness by gradually adding splashes of starchy pasta water until it reaches your preferred luscious consistency.
4. Storage and Reheating: This dish is best enjoyed fresh. If you have leftovers, they can be stored in an airtight container in the refrigerator for 2-3 days. When reheating, the sauce will have thickened. Gently warm on the stovetop over low heat, adding a small amount of water or cream to restore its smooth texture.
5. Don’t Waste the Guanciale Fat: The rendered fat from the guanciale is packed with flavor. While you may pour off most of it, leave a little in the pan to form the base of your cream sauce. This will infuse the sauce with incredible depth.

Helpful Information for All Our Recipes

• We exclusively use **extra virgin olive oil** in all our recipes unless otherwise specified. Its superior flavor enhances every dish.
• For the best results and authentic Italian flavor, we recommend using premium brands like **Cirio or Mutti** for all canned or jarred tomatoes.
• Unless stated differently, assume all vegetables are of **medium size**.
• All our recipes are meticulously tested and developed using a **fan (convection) oven**.
• Find out more about how our nutrition information is calculated, providing approximate values for your convenience.
• Discover our essential Italian Pantry Staples to stock your kitchen with key ingredients for authentic Italian cooking.
• Explore our curated list of Essential Kitchen Tools for Italian Cooking to equip yourself like a pro.

Nutrition Information (Approximate Per Serving)

Nutrition information is automatically calculated and should only be used as an approximation.