Name: Cacio e Pepe
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Yield: 4 servings
Cuisine: Italian
Ingredients: 8 ounces bucatini or spaghetti; 2 teaspoons kosher salt; 2 tablespoons extra virgin olive oil; 2 tablespoons butter; 2 teaspoons fresh, coarsely ground black pepper; ¾ cup finely grated Parmesan cheese or romano cheese , about 3 ounces; 1 tablespoon finely chopped parsley , if desired

With only 5 ingredients, this cacio e pepe recipe is the Italian version of mac and cheese, and the ultimate easy pantry staple answer to, “What do we have to…

My husband is a black pepper fiend. He grinds it fresh over everything, so this 5-ingredient cacio e pepe is one of his favorite pasta recipes. It's the Roman answer to mac and cheese, and while it uses only a handful of pantry staples, getting that creamy sauce without clumps takes a little know-how. Once you get the technique down, it becomes a go-to dinner you can pull off any night.

Why You’ll Love This Cacio e Pepe

Only five ingredients, most of which you probably already have in your pantry and fridge.
The sauce turns out lush and creamy without any heavy cream or flour, thanks to starchy pasta water and good technique.
It comes together in about 20 minutes, making it a fast weeknight meal that feels special.

Key Ingredients for Creamy Cacio e Pepe

Pasta: Bucatini or spaghetti work best. Look for bronze-die extruded pasta; its rough surface holds onto the sauce better. Cook it two minutes less than the package says so it finishes cooking in the sauce.
Cheese: Finely grated Parmesan or Pecorino Romano (or a mix) is essential. Grate it yourself from a block, pre-shredded cheese contains anti-caking agents that can make the sauce clumpy. A microplane gives you the fine texture you need.
Black pepper: Freshly ground, coarsely ground black pepper is non-negotiable. Pre-ground pepper lacks the floral heat and aroma that make this dish sing.

Kitchen Tools for Cacio e Pepe

Large pot or high-sided skillet for cooking the pasta
Sauté pan for the pepper butter sauce
Tongs for transferring the pasta
Fine grater or microplane for the cheese
Measuring cups for the pasta water

Tips for Making the Best Cacio e Pepe

Start by cooking the pasta in just 4 cups of water with salt. That small amount of water creates a highly starchy liquid, which is the secret to a creamy sauce. Boil the pasta for two minutes less than the package directs so it's still firm with a bit of snap. While it cooks, heat olive oil, butter, and black pepper in a separate pan until the butter melts and the pepper smells fragrant.

When the pasta is about two to three minutes from done, add half a cup of the pasta water to the pepper mixture, it will bubble and splatter, so be careful. Add another half cup and stir. Then use tongs to transfer the pasta directly into the sauce, letting some of the clinging water come along. Continue cooking for one to two minutes, tossing and stirring, until the pasta is al dente. Add more pasta water as needed to keep the sauce loose and coat every strand.

Expert Tips for a Silky Cacio e Pepe Sauce

The trick to avoiding stringy, clumpy cheese is all in the temperature and technique. Once the pasta is al dente, remove the pan from the heat before you add the cheese. Sprinkle in half the grated cheese and toss quickly, don't stir vigorously, or the cheese proteins will tighten up. As the cheese melts, add more reserved pasta water a little at a time, tossing gently, until the sauce turns lush and coats each noodle. If you add the cheese over direct heat, it will seize and turn into a mess. Patience and a light hand are everything here.

How to Get a Silky, Clump-Free Cacio e Pepe Sauce

The science behind a smooth cacio e pepe sauce is simple: starch and fat need to bond. The starchy pasta water acts as an emulsifier, allowing the grated cheese to melt into a creamy coating instead of separating into greasy clumps. That's why you cook the pasta in a small amount of water and reserve that liquid. When you add the cheese, you must do it off the heat. Direct heat makes the cheese proteins tighten and clump. Toss the pasta gently with the cheese and water, adding more water a little at a time, until the sauce looks glossy and coats each strand. If you see it starting to get stringy, add another splash of water and keep tossing. Patience pays off.

Cacio e Pepe Variations to Try

You can easily change up this recipe. For a heartier meal, add cooked chicken, shrimp, or crispy pancetta. Swap bucatini for spaghetti, fettuccine, or even short pasta like rigatoni. Stir in sautéed mushrooms or peas for a vegetable boost. If you like heat, add a pinch of red pepper flakes along with the black pepper. For a dairy-free version, use a high-quality vegan Parmesan and a little extra olive oil instead of butter.

What to Serve with Cacio e Pepe

Serve this pasta hot with an extra crack of black pepper and a sprinkle of fresh parsley for color. It's rich on its own, so a simple side salad with lemon vinaigrette balances the creaminess. Roasted broccoli or sautéed spinach also work well. If you want a protein, grilled chicken or shrimp make easy additions without overwhelming the dish.

How to Store Leftover Cacio e Pepe

Store leftovers in an airtight container in the refrigerator for up to three days. The sauce will thicken as it cools, so when you reheat it, add a splash of water or milk to bring back the creamy texture. Stir gently over low heat to avoid breaking the sauce.

Can You Freeze Cacio e Pepe?

Freezing is not ideal because the creamy sauce can separate and turn grainy when thawed. If you must freeze it, place the cooled pasta in a freezer-safe container and freeze for up to one month. Thaw in the refrigerator overnight, then reheat on the stovetop with a little water, stirring gently to re-emulsify the sauce as best you can.

Best Way to Reheat Cacio e Pepe

The stovetop gives the best results. Put the pasta in a skillet over low heat with a tablespoon of water or milk. Toss gently until heated through, adding more liquid if needed to loosen the sauce. The microwave works in a pinch, but it can dry out the pasta and make the sauce separate. If you use the microwave, cover the bowl and heat in 30-second bursts, stirring between each.

Recipe

Cacio e Pepe

4.5/5 (46 ratings)

Pin recipe

Prep: 5 min
Cook: 20 min
Total: 25 min
Servings: 4 servings
Cuisine: Italian
Course: Dinner

Ingredients

8 ounces bucatini or spaghetti
2 teaspoons kosher salt
2 tablespoons extra virgin olive oil
2 tablespoons butter
2 teaspoons fresh, coarsely ground black pepper
¾ cup finely grated Parmesan cheese or romano cheese , about 3 ounces
1 tablespoon finely chopped parsley , if desired

Instructions

Add 4 cups water to a large pot or high sided skillet with the pasta and salt and bring to a boil. Cook for two minutes less than the package instructions direct so the noodles are still firm with a bit of snap, and chewy.
While the pasta is cooking, heat another large sauté pan over medium heat. Add the olive oil, butter and freshly ground black pepper. Stir until the butter melts and the pepper becomes fragrant.
When the pasta is 2-3 minutes from being done cooking, carefully add in ½ cup of the pasta water to the olive oil pepper mixture (it will bubble and splatter). Add another ½ cup of the pasta water and stir or toss the pan to combine.
Use tongs to transfer the pasta to the oil, butter, and black pepper sauce, reserving the rest of the original pasta water. Don't worry about completely draining the water from the pasta, it will just add to the creaminess. Continue cooking the pasta in the oil and pasta water combo for 1-2 more minutes or until the pasta is cooked al denté stirring and tossing so each strand is coated. Add more pasta water if needed to resemble a sauce, stirring to thicken and coat. Remove the pan from the heat and sprinkle with half of the cheese. Quickly toss the pasta and cheese (avoid stirring vigorously or the cheese will get stringy and clump), adding more of the reserved pasta water as the cheese melts and loosens up, to make a lush, cheesy sauce. Add more cheese if desired. The sauce should be creamy and light, and coat each of the pasta noodles.
Taste for seasoning and add more pepper if desired. Sprinkle with a little chopped parsley for color if you'd like. Serve hot.