Butter and Olive Oil Pasta Sauce (Recipe)

For a glossy butter and olive oil pasta sauce, cook 12 ounces of dried pasta in salted water and reserve at least 1 cup of it. Melt 4 tablespoons of unsalted butter with 2 tablespoons of olive oil over low heat. Toss the pasta with the fats and pasta water, adding water gradually until the sauce coats the noodles.

A simple butter-and-oil sauce can make a weeknight pasta dinner feel complete without a long ingredient list. The key is not just melting fat; it is bringing fat and starchy pasta water together so they form a smooth sauce that clings to the noodles. That step is called emulsifying.

In my recipe development, I focus on making that finish repeatable on a standard stove. Keep the heat gentle, save more pasta water than you think you need, and toss the noodles in the pan. The method below gives you a reliable base, plus clear fixes if the sauce turns greasy or starts to brown.

Cookware Compatibility, Material Setup & Prep

Choose a wide pan that gives the pasta room to move and toss. Stainless steel or clad cookware works well, and a magnetic-base pan is suitable for induction. A wide surface helps you combine the noodles, butter, oil, and pasta water without crowding or splashing.

Use a pan large enough to hold the cooked pasta comfortably. Stainless steel and clad pans are nonreactive choices for this sauce. If you add acidic ingredients such as lemon juice or tomato, avoid leaving them in prolonged contact with bare aluminum, copper, cast iron, or carbon steel. The basic recipe does not need acid, but the cookware distinction matters for variations.

On induction, confirm that the pan has a magnetic base. Cookware limits vary, so follow the manufacturer’s instructions rather than relying on a universal temperature rule. Conventional PTFE nonstick cookware is commonly rated to about 260°C (500°F), but it should not be overheated empty. Do not preheat a nonstick pan without food or fat, and do not heat any pan until it smokes.

Salt the cooking water at about 8–10 grams per liter. This seasons the pasta as it cooks. Start the water boiling, add the pasta, and cook it for 1–2 minutes less than the package directs. The noodles will finish in the sauce.

Next step: Set out a heat-safe cup or ladle for pasta water before draining. It is easy to forget this small step when dinner is nearly ready.

Butter–Olive-Oil Sauce Technique & Pasta Execution

An emulsion is a mixture of fat and water that stays blended long enough to coat food. Here, melted butter and olive oil combine with starchy pasta water. Gentle heat and steady tossing help the mixture turn glossy instead of pooling as oil around the noodles.

Ingredients and amounts

This recipe serves about four, depending on appetite and side dishes.

• 12 oz (340 g) dried pasta
• 4 tbsp (57 g) unsalted butter
• 2 tbsp (30 mL) olive oil
• At least 1 cup (240 mL) pasta water, reserved
• Salt for the cooking water
• Optional: finely grated cheese, chopped parsley, or black pepper

Step-by-step method

1. Boil and salt the water. Bring a pot of water to a boil. Add salt at about 8–10 g per liter, then add the pasta. Cook it for 1–2 minutes less than the package timing suggests.

2. Reserve the pasta water. Before draining, scoop out at least 1 cup (240 mL). It is useful to keep more nearby, since pasta brands and shapes can need different amounts. Drain the pasta, but do not rinse it.

3. Warm the pan gently. While the pasta cooks, set a wide stainless-steel or clad pan over low to medium-low heat. Add the olive oil and butter. Swirl the pan just until the butter melts. Do not wait for it to brown.

4. Start the sauce. Add a small ladle of pasta water to the melted fats. Stir or swirl to disperse them. The mixture may look loose at first; the pasta’s starch and the next round of tossing help bring it together.

5. Finish the pasta in the pan. Add the drained pasta and toss it well. Keep the heat low, or take the pan off the burner while tossing. Add pasta water 1–2 tablespoons at a time until the sauce looks glossy and coats the noodles.

6. Taste and serve. Remove the pan from the heat. Taste before adding salt, since the pasta water is already salted. Add grated cheese, herbs, or black pepper if you like, then serve promptly.

Aim to keep the sauce below a simmer, around 55–75°C (130–167°F). You do not need to measure the temperature for everyday cooking. Watch the pan instead: the sauce should look smooth and move easily, not bubble hard.

Butter contains milk solids that can brown and scorch well below the smoke point of many olive oils. Do not use an oil’s smoke point as a cooking target. Smoke points vary with the type of olive oil and how it is refined, and the butter can burn before the oil smokes.

If the sauce splits, act while it is warm. Lower or turn off the heat, add a small splash of pasta water, and toss vigorously. Repeat in small additions until the sauce looks more even. Avoid boiling it hard; high heat can separate the emulsion and brown the butter solids.

Next step: Start with less pasta water than you expect to use. You can add more by the tablespoon, but it is harder to correct an overly loose sauce.

Cookware Cleaning, Drying & Seasoning Care

Let the pan cool gradually before washing it. Sudden temperature changes can warp metal or damage coatings, and cookware does not have one universal thermal-shock limit. Follow the pan maker’s care instructions, then wash with warm water and mild detergent once the pan is safe to handle.

Do not pour cold water into a hot pan or plunge hot cookware into cold water. Instead, move the pan off the burner and let it cool at room temperature. When it is safe to wash, use warm water and mild detergent, then dry it thoroughly.

Stainless steel does not need seasoning for this recipe. If you use a pan that does require seasoning, follow its maker’s directions rather than applying a general rule. Avoid aerosol cooking sprays on nonstick cookware; their propellants and additives can leave residue that is difficult to remove.

A brief soak can loosen stuck pasta or cheese, but check the cookware instructions first. Use a cleaning tool suited to the pan’s surface, especially with coated cookware. Thorough drying helps keep stored cookware ready for the next meal.

Next step: Once the pan is cool enough to handle, wash and dry it before storing. Use the cookware maker’s care guidance if it differs from these general steps.

Serving, Garnishing & Dining Presentation

Serve the pasta as soon as the sauce coats the noodles. Butter can firm as it cools, so prompt serving helps keep the sauce smooth. Finish with cheese, herbs, or pepper if desired, and taste before adding extra salt.

Grated hard cheese adds salt and savory flavor, while chopped parsley brings a fresh note. Add either after removing the pan from the heat. If the sauce tightens before serving, toss in a spoonful of warm pasta water to loosen it.

For a more filling meal, serve the pasta with vegetables or a protein you already have ready. Keep additions modest so the butter-and-oil sauce still coats the noodles. If you add ingredients that release liquid, toss them with the pasta before deciding whether the sauce needs more water.

The recipe is easy to scale, but keep the same approach: reserve pasta water, use gentle heat, and add liquid gradually. A crowded pan can make tossing difficult, so finish a larger batch in portions if needed.

Next step: Put the pasta straight from the pan onto warm plates, then add any garnish. This keeps the sauce from sitting and cooling in the cookware.

Frequently Asked Questions

Can I make butter and olive oil pasta sauce without pasta water?
Pasta water is the simplest way to help the fats coat the noodles. Plain hot water may loosen the sauce, but it lacks the starch that helps it cling. Save some cooking water before draining.

How much pasta water should I add?
Reserve at least 1 cup (240 mL) for 12 ounces (340 g) of dried pasta. You may not need all of it. Add 1–2 tablespoons at a time while tossing until the sauce turns glossy and coats the pasta.

Should I use salted or unsalted butter?
Unsalted butter makes it easier to control the seasoning, especially because the pasta water is salted. If you use salted butter, taste the finished pasta before adding more salt.

Can I use extra-virgin olive oil?
Yes. Olive oil types vary in flavor and refinement, so choose one you enjoy eating. Keep the heat gentle; the goal is to melt the butter and combine the fats, not to heat the oil to its smoke point.

Why did my sauce turn greasy?
The fat and water may not have combined, or the pan may be too hot. Take it off the heat, add pasta water a little at a time, and toss vigorously until the sauce looks more even.

Can I add Parmesan or another grated cheese?
Yes. Add finely grated cheese after taking the pan off the heat, then toss. Taste before adding salt, since cheese and salted pasta water can both contribute saltiness.

Can I make this sauce ahead?
It is best made just before serving because the butter can firm as it cools. If you need to reheat leftovers, use low heat and add a small splash of water while stirring or tossing.

What pan works best on an induction stove?
Use a pan with a magnetic base that the manufacturer identifies as induction-compatible. A wide stainless-steel or clad pan is a practical option for tossing the pasta and sauce.

Can I use a nonstick pan?
Yes, if the pan is in good condition and rated for your stove. Do not preheat it empty, overheat it, or use aerosol cooking spray. Follow the manufacturer’s temperature and cleaning guidance.

How can I keep the butter from browning?
Use low to medium-low heat and add the butter with the oil. Swirl only until the butter melts, then add pasta water. If you see brown flecks or smell a nutty aroma, lower the heat or remove the pan from the burner.

(This article was written by one of our staff writers, Steven R. Bancroft. Visit our Meet the Team page.)