Lemon Juice is the Trick to a Creamier Cream Sauce (2024)

I’ll use cold winter weather as an excuse to cook hearty, comforting dishes just about any chance I get—and about 90% of the time, that dish will be some sort of pasta. (I am a Noodles girl after all.) In the mood for something quick, I found a low-effort, high-flavor recipe while watching an old episode of Milk Street TV, aptly named “Quick Pastas.” You know exactly what you’re getting with a name like Pasta with Parmesan Cream, and the added promise that it only takes 25 minutes was all the convincing I needed.

I love parm. I’ll wait as long as humanly possible to say “when” at a restaurant and don’t hold back when grating it in the privacy of my own home. But even I was skeptical of creating a cream sauce with just parm to rely on. And it wasn’t for lack of flavor—I always trust the savory, nuttiness of really good Parmesan—however, I don’t always find that it combines smoothly into a sauce without becoming congealed. In fact, I rarely find that to be the case. Not so in this dish, claimed Lynn Clark. The alleged trick in this recipe? Lemon juice.

Step 1: Get the Best of the Best
When a dish has very few ingredients, the key to success is quality. Real Parmigiano-Reggiano imported from Italy is wildly different in flavor and texture to what you’ll find domestically, so that was first on the list for this recipe. To really do this right, I decided to head to Eataly. Don’t fret if you don’t have access to an Italian grocery though, your local Whole Foods should still have imported parm.

Step 2: Simmer the Cream
Over medium heat, I added two-and-a-half cups of heavy cream to a pot to start simmering. Two bay leaves and a good hunk of parmesan rind also got cozy. Occasionally stirring every few minutes to keep things moving, I let the sauce reduce down to about two cups—around 15 minutes. Once reduced, I removed the bay leaves and rind from the pot.

Step 3: Boil Your Pasta
While the sauce simmered, I salted my pasta water and got that going on the stove. Opting for bucatini, I cooked my noodles according to the package. Typically I like to undercook my pasta by a minute and let it finish in the sauce, but Clark specifically noted to avoid doing this with a cream-based sauce, as it can over-reduce the cream. Before draining the noodles, I reserved about half a cup of pasta water.

Step 4: Mix the Sauce
After my sauce had reduced to about two cups, I took the pot off the heat. It was time for the secret weapon: lemon juice. Turns out, the acidity of the juice acts as a thickening agent, which reacts with the proteins in the dairy to increase the viscosity. It’s a similar concept to adding vinegar to milk to make buttermilk, said Clark. Once combined, it was time for parm—18-month DOP Parmigiano Reggiano Cheese to be exact. I whisked all three cups in by the handful until shockingly smooth, finishing the mixture with a hit of black pepper. I kept expecting the mixture to get clumpy or hard to stir, yet every added handful only contributed to a creamier result.

Step 5: Combine and Plate
Once ready, I added the noodles and sauce to the same pot, stirring vigorously until everything was well combined. A bit of pasta water helped create glossy, thick sauce that clung to every strand of bucatini. Plate and serve.

This dish really blew my mind, especially from a food science perspective. Just a few tablespoons of lemon juice was all it took to dramatically impact the viscosity of the sauce. I was fully anticipating a broken mixture by the end of cooking, but to my delight, everything stayed well combined and luxuriously rich. I was also very impressed with the amount of flavor the bay leaves and parm rind imparted, leaving notes of salt, umami and an earthy-sweetness (almost pleasantly like nutmeg) that complemented the richness of the cream. For so few ingredients in such a short amount of time, Pasta with Parmesan Cream really outdid itself.

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Lemon Juice is the Trick to a Creamier Cream Sauce (2024)

FAQs

What does lemon juice do to cream? ›

It was time for the secret weapon: lemon juice. Turns out, the acidity of the juice acts as a thickening agent, which reacts with the proteins in the dairy to increase the viscosity. It's a similar concept to adding vinegar to milk to make buttermilk, said Clark.

Will lemon juice split a cream sauce? ›

Firstly cream or milk will only curdle with lemon when it is either too hold or really cold. This is why I am so adamant about a gentle simmer. Be ready with a whisk to mix it into the cream really quickly then it won't have a chance to curdle.

How to add lemon to a cream sauce without curdling? ›

The best way to prevent your sauce from curdling is to make sure that you don't mix the lemon juice with the cream until the cream has heated and that it never gets hot enough to even come to a simmer. If the dairy is either too cold or too hot, it will react with the acids in the lemon juice and cause it to curdle.

How to make a sauce more creamy? ›

Cheese and dairy give sauces creaminess while butter and oil give them richness. You also don't need to use a lot — these are just for finishing and rounding out the flavors in a sauce. Whole Milk or Heavy Cream: Add a splash and let the sauce simmer for a few minutes to thicken.

Can I put lemon juice in my cream? ›

If you still insist on using lemon juice in your skincare routine, it is best to dilute it before use. Direct application of lemon juice to your skin can result in skin irritation and even skin burns.

Do you add lemon before or after cream? ›

Lemon can cause cream sauces to curdle. As mentioned above, adding the lemon to the cream after it's been heated will keep it from curdling. Whisking continuously as you add in the lemon juice will help it evenly distributed throughout the sauce without breaking and curdling.

Why add lemon juice to sauce? ›

A shot of red wine vinegar might do the trick here, but that adds its own flavor; a small splash of humble lemon can brighten the sauce exponentially without stealing the spotlight. That's what a hit of acidity does—it sharpens the flavors, sometimes imperceptibly.

How do you keep lemon cream sauce from breaking? ›

Use dairy with high fat content, keep the heat relatively low, and add the lemon juice last. Using corn starch or flour to stabilize the sauce can help, too.

How do you add lemon to dairy without curdling? ›

Avoid Strong Acids

If your sauce or soup contains an acidic ingredient like wine, tomatoes, or lemon juice, the milk is more likely to curdle. To counteract the effect of the acid, you can use a starch along with the acid.

What happens to milk after adding lemon? ›

When the lemon juice is added into water, the milk becomes sour and bacteria convert the sugar lactose into lactic acid which does the curdling. Thus, curdling of milk is due to coagulation of the casein micelles.

What is lemon cream sauce made of? ›

Make lemon-cream sauce:

Add cream and lemon zest. Bring to a boil and cook until slightly thickened, 8 minutes. Add lemon juice and season to taste with salt and pepper.

How to keep creamy pasta creamy? ›

Add a spoonful of pasta water to help thin the sauce if you want and keep it sticking, because starch helps it to stick and will also keep it as creamy as possible. Stir it often so that it won't stick but will stay creamy. Just before serving it, add a small pat of butter and a hint of cream on top. That's it.

How to stop cream sauce from splitting? ›

Blend or whisk the sauce

Blending works best if you blend warm liquids (but not hot!). Or, try transferring everything into a bowl and whisk furiously until you have achieved an emulsified state once again. If the mixture hasn't separated too badly, you may get away with a little vigorous blending or whisking.

What makes a cream sauce thicker? ›

The most readily available sauce-thickener is flour. For a too-thin sauce, try adding a slurry (equal parts flour and water, whisked together) or beurre manie (equal parts softened butter and flour, kneaded together to form a paste)—both are ideal thickeners for rich and creamy sauces, such as steak sauce recipes.

Does lemon juice help thicken? ›

Lack of acidity: Acids like lemon juice help lower the jam mixture's pH, which reacts with the natural or added pectin to help thicken the jam. If a jam recipe doesn't call for lemon juice or lime juice, it could rely on another ingredient, like added pectin, to set the jam.

Is lemon a bleaching cream? ›

Skin lightening.

Lemon contains acids that have the ability to naturally lighten the skin, including age spots and acne scars. However, there are prescription creams that are more effective than lemon.

Will lime juice curdle heavy cream? ›

This will depend on how efficient you are with zesting and juicing the limes. Will Lime Juice Curdle Heavy Whipping Cream? Nope.

What will stabilize whipped cream? ›

If you're making a stacked dessert with whipped cream, and the recipe calls for a particular stabilizer, it's best to use what is recommended. If you must make a substitution, Instant ClearJel is still the best choice, but cornstarch, crème fraîche, mascarpone, and plain yogurt will all work well too.

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