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Cacio e Pepe

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My favorite cacio e pepe recipe is easy to make in about 30 minutes with just 4 simple ingredients.

Cacio e Pepe

Anthony Bourdain once said that cacio e pepe “could be the greatest thing in the history of the world.”

And I have to say, I wholeheartedly agree. ♡

This classic Roman pasta easily ranks up there as one of our family’s all-time favorite comfort foods. We cook up a batch of cacio e pepe at least once or twice a month, often turning to it in a pinch because we make it a point to keep the three main ingredients — “cacio” (cheese), “pepe” (black pepper), and pasta (we usually opt for bucatini) — always stocked in our kitchen. Barclay’s usually in charge of grating up a big pile of cheese while I make a big green salad or some roasted veggies to go on the side. Then once the pasta is ready to go and tossed with that irresistibly glossy cheese and pepper sauce, we always waste zero time dishing it up and grabbing a fork and diving in. There’s nothing better than a steaming hot bowl of cacio e pepe!

That said, as simple as the cacio e pepe ingredient list may be, this dish is famously finicky when it comes to technique. If the cheese is overheated or the starchy pasta water isn’t emulsified properly, the sauce can turn into a sticky, clumpy mess, which I can vouch from experience is always such a tragedy. So this week, while we are revisiting the four classic Roman pasta recipes, I went in and updated this post with all of the best tips for cacio e pepe success that I’ve learned over the years. We also added in a new video below that will hopefully provide some visuals to help clarify each step of the process. And we also now have a pronunciation guide, so that all of us non-Italians can give the name of the dish the proper respect it deserves.

I do want to note that I prefer to add a bit of butter to my cacio e pepe, which I’m well aware is not authentically included in traditional cacio e pepe, and makes this more similar to Roman-style Alfredo. However, after having made and ordered this dish dozens and dozens of times both with and without butter, I’ve decided that I just really love the extra hint of flavor that it adds. You’re welcome to include butter or leave it out, so I’ve included instructions for both options below.

Alright, let’s make some cacio e pepe together!

Video | How To Make Cacio e Pepe

Cacio e Pepe Ingredients

Cacio e Pepe Ingredients

Here are a few notes about the cacio e pepe ingredients that you will need for this recipe:

  • Pasta: Thick spaghetti, bucatini, or tonnarelli are the three pasta shapes most often traditionally used when making cacio e pepe, but this recipe will work with just about any pasta shape you happen to have on hand. I recommend using bronze-cut pasta, if possible, since the rougher edges will help the cacio e pepe sauce better adhere to the pasta.
  • Pecorino Romano: This aged sheep’s cheese is always traditionally used in the Roman pastas, and its salty, grassy, earthy flavor is absolutely delicious in cacio e pepe. That said, during one of my cooking classes in Rome, my professor swore by using a 50/50 blend of Pecorino and Parmigiano (Parmesan), which I’ve also tried and agree is delicious.
  • Butter: Yes!! I know this is a controversial and certainly a non-traditional ingredient in cacio e pepe, which is typically made with only cheese and pepper. But as mentioned above, I’ve made this dish dozens of times both ways and have decided I simply prefer it with a bit of butter. You’re completely welcome to omit the butter though and just add some more starchy pasta water in its place.
  • Black pepper: It’s very important to freshly ground the black pepper to give this recipe optimum flavor, so grab your pepper mill instead of the pre-ground black pepper you can buy at the store. I definitely prefer my cacio e pepe heavy on the “pepe” (black pepper), but know that many people are sensitive to black pepper, so please feel free to use however much you prefer to taste. Also please note that the recipe calls for coarsely-ground black pepper. If you only have finely-ground black pepper on hand, you will need to use less.

Process photo of making cacio e pepe sauce

Cacio e Pepe Tips & Troubleshooting

Before we get to the full cacio e pepe recipe below, here are a few tips to keep in mind when making this pasta:

  • Read through the recipe first. This recipe is not difficult to make, but it does require a bit of multitasking that goes very quickly once you begin cooking the pasta. So I recommend taking a few minutes to read the entire recipe fully before you begin cooking.
  • Finely-grate the cheese by hand. As always, it’s important to grate the cheese by hand versus buying pre-grated cheese at the store (which usually contains anti-caking agents that prevent the cheese from melting smoothly). I recommend using a microplane or your preferred grater to finely grate the cheese just before adding it to the recipe.
  • Be sure to use a large enough sauté pan. You are going to need ample room to toss the pasta when combining it with the sauce, so it’s important to use a large pan or stockpot that has plenty of space.
  • Have a strainer or tongs ready to go. I find it’s much easier to use a spider strainer (or tongs, if using long noodles) to transfer the pasta directly from the stockpot to the sauté pan. But if you do not own either of those, you can use a heatproof cup to scoop out a few cups of the starchy water (it’s always good to reserve more than you need, just in case). Then you can drain the pasta in a colander and transfer it immediately to the sauté pan.
  • Don’t use too much pasta water. We want the starches in the pasta water to be very concentrated for this recipe, which will later help to emulsify the cheese sauce and adhere it to the pasta. So I recommend filling your stockpot no more than half full (about 3 quarts).
  • Don’t overcook the pasta. In Italy, it’s very important that the pasta is served al dente so that it still has a nice firm bite to it. Since the pasta will continue cooking slightly while it is tossed with the sauce, it’s important to keep a close eye on the pasta during the final few minutes of cooking so that you can transfer it over as *soon* as it just barely reaches al dente.
  • Don’t overheat the sauce. If you’ve ever had the cheese clump up or stick to the pan when making cacio e pepe (very common, but always such a tragedy!), it was likely due to the cheese being overheated. Be absolutely sure that the burner is turned off below the sauté pan with the melted butter. (If you have an electric stove, it’s best to transfer the pan to a cool burner since the original will still retain heat.) And toss the pasta continuously after you add in the cheese so that it can be exposed to cooler air and not overheat while sitting still in the pan.
  • Serve immediately. This pasta is definitely best served immediately hot out of the pan, so dish it up as soon as the sauce has emulsified and enjoy!

Mixing pasta into cacio e pepe sauce

Cacio e Pepe FAQ

How do you pronounce “cacio e pepe?” The correct cacio e pepe pronunciation in Italian is: “KA-choh eh PEH-peh.”

What does “cacio e pepe” mean? It means “cheese and pepper,” referencing the Pecorino cheese and black pepper used to make the sauce.

Where did cacio e pepe originate? The exact origins and evolution of the dish are controversial among historians, as all of the Roman pastas tend to be. Some believe cacio e pepe “first appeared centuries ago among shepherds spending the spring and summer months in the grazing meadows of the Apennine Mountains, which traverse the Italian peninsula. While keeping watch over their flocks, shepherds would tap into personal stores of dried pasta and pepper; cheap, easy to transport and resistant to spoilage, these two ingredients were combined with the cheese (made from milk of the herders’ flocks) to make a delicious, simple dish that kept them warm on cold evenings.” That said, some modern historians believe the origins of cacio e pepe may have been less romantic, likely developing “in the mines and factories that once surrounded the Lazio region encompassing Rome, near where low-income families once lived.”¹

How do I prevent the cheese from clumping or sticking to the pan? This dish is famously finicky and prone to clumping if the cheese sauce does not properly emulsify. As mentioned above, always always finely grate the cheese by hand versus purchasing pre-grated cheese at the store. Be absolutely sure that the sauté pan with the butter has been removed from the heat (or a still-hot burner) before adding the pasta. Be sure to toss the pasta quickly and constantly once you begin adding the cheese. Then as soon as the cheese begins to emulsify and melt into a glossy, smooth, dreamy sauce, serve the pasta immediately. This pasta is always best served hot out of the pan.

Bucatini Cacio e Pepe in Serving Bowl

The 4 Roman Pastas

Interested in trying out all four of the classic Roman pastas? These traditional recipes won’t let you down!

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Cacio e Pepe

Cacio e Pepe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.7 from 75 reviews
  • Author: Ali
  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Total Time: 30 minutes
  • Yield: 2 to 3 servings 1x


This cacio e pepe recipe is easy to make in about 30 minutes with just 4 simple ingredients. Feel free to double the recipe if you would like to use a full package of pasta!




  1. Boil the pasta water. Fill a large stockpot about halfway full of water (roughly 3 quarts) and bring it to a rolling boil. Generously season the water with fine sea salt (about 2 tablespoons).
  2. Bloom the pepper. Meanwhile, as the pasta water heats, melt the butter in a large sauté pan (preferably nonstick) over medium heat. Add the pepper and let it cook for 30 seconds, then turn off the heat. If you have an electric stove, you’ll want to remove the pan from the hot burner entirely.
  3. Cook the pasta. Add the pasta to the boiling water and cook, stirring occasionally, until it is just barely al dente.
  4. Toss the pasta. Use tongs* to quickly transfer the pasta directly to the sauté pan with the melted butter and pepper. Add 1/3 cup of the starchy pasta water to the pan and toss the pasta briefly to combine. Add in half of the cheese and toss the pasta briefly to coat. Add in the remaining half of the cheese and continue tossing the pasta, adding in a few extra tablespoons of starchy pasta water if needed to thin out the sauce, until the cheese is melted and forms a smooth and glossy sauce.
  5. Serve. Serve the pasta immediately, garnished with an extra twist of black pepper and/or extra Pecorino if desired. This pasta is definitely best served hot out of the pan, so please enjoy it right away!


Butter: Feel free to use less butter, if you prefer. Or you can also omit the butter entirely and just use extra starchy pasta water in its place, which is the traditional way to make cacio e pepe.

Black pepper: I like my cacio e pepe heavy on the “pepe” (black pepper) and always add extra as a garnish. If you are sensitive to black pepper, however, you may want to use less than the recipe suggests. Also please note that the 1 teaspoon measurement is for coarsely-ground black pepper. (So if you are using finely-ground pepper, you will need to use less.)

Tong alternatives: If using a shorter pasta shape (such as rigatoni), I recommend transferring the pasta with a spider strainer instead. Or if you do not own either, you can scoop out a few cups of the starchy pasta water and reserve the water in a heat-safe bowl, then drain the rest of the pasta in a colander and transfer it to the sauté pan.

Recipe edit: This recipe was edited in 2022 to include 2 instead of 3 tablespoons of butter, and the instructions were updated and clarified as well.

The Best Cacio e Pepe Closeup in Bowl

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117 comments on “Cacio e Pepe”

  1. We just made this for dinner and it was exceptional. Anthony Bourdain was right!

  2. One of the best recipes ever!!!!!! Such comfort and flavor and so easy. Thank you!

  3. This is the first time my cacio e pepe hasn’t clumped!!!!! Praise be! Thanks for all of the tips. I already can’t wait to make it again.

  4. I made this and the cheese clumped on me too. Funny thing is when I read this happening to others, I thought it was just them. My arrogance got the best of me. But I’m determined to conquer this recipe! Since the cheese didn’t work out, I’m so glad the butter did. Adding butter may not be authentic, but it’s a must in my humble opinion.

    • Have you tried a microplane grater for the cheese? It produces such wispy shreds they literally melt into ANY dish. Good luck!

  5. I grated fresh pecorino Romano when instructed with the pasta water and cheese did not emulsify only clumped up any suggestions would be helpful otherwise love the simplicity of recipe

  6. This looks dry and not as flavorful as it could be. It also looks as the sauce could split at any time due to the non-tossing.
    My recipe is:
    1: Per 100g of Pasta you add 1 fat tbsp of butter to a pan, a big pinch of pepper, a little pinch of salt, a tiny bit of garlic (crush it or grate it), some lemon juice (just to regulate acidity) and then a lot of pasta water. As much as possible as more starch = better sauce.
    2: Add pasta to sauce. Toss it. If sauce is too liquid, let it reduce. If sauce is too thick, add water. Keep tossing it for a minute until it has chilled down a bit so that when you add the cheese it won’t clump up or get stringy.

    3: Add the powdered Parmesan. 2-3 tbsp depending on what you like. Toss it. The reason you have to toss it and not just move it around in the pan with a spatula or pinchers is because the fat won’t bind to the water unless tossed. This will make your sauce split and won’t give you that supercreamy texture.

    4: When sauce is done, there should be a lot of sauce, more than what you usually want for pasta dishes but that’s fine cause it’s supertasty.

  7. Best cacio e pepe recipe I’ve tried!

  8. I’ve struggled with cacio e pepe at home, but this recipe worked perfectly! Thank you!

  9. We all thought it was too salty, recommend less in the water and if necessary sprinkle a bit on when finished stirring in the cheese to taste. Still a fast easy meal.

  10. My favorite Italian dish of pasta, cheese, and black pepper is a simple and classic meal that will leave your taste buds tingling! Loved your recipe!!

    – Jack

  11. Perfection.

  12. Amazingly flavorful and delicious! The cheese did clump but I used pre-grated cheese because that is all I had on hand. Looking forward to trying again!