Thick & Buttery Homemade Lemon Curd (2024)

Learn to make lemon curd at home like a pastry chef with this step-by-step tutorial including tips and techniques I've learned from commercial kitchens. My easy lemon curd recipe uses a combination of whole eggs and egg yolks, just enough sugar, a hit of lemon zest, and lots of butter.

This is the same reader-favorite recipe as the lemon curd filling in my gluten-free lemon bars and lemon tart that I adapted from my cookbook, Alternative Baker. It takes just 5 ingredients and 20 minutes to make, and it keeps in the fridge for up to 2 weeks or in the freezer for several months.

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This foolproof lemon curd recipe is the one I made over and over again when I was a pastry chef. Now I'm sharing all my tips and tricks for making it at home, using a few techniques I picked up in pro kitchens. If you're a beginner, I hope my step-by-step tutorial will quell your curd-making fears. And if you're a seasoned curd-maker, I hope you'll love the streamlined method and balanced flavor of this creamy curd.

This 5-ingredient lemon curd has a bright, tangy flavor and thick, smooth consistency. It takes about 20 minutes to make 4 cups of curd and it keeps in the fridge for up to 2 weeks, or frozen for longer storage.

Stir this luscious lemon curd into yogurt, swirl it over cheesecake, serve it with scones or crepes, layer it with sponge cake, or bake it into lemon bars or lemon tart.

This lemon curd is:

  • thick & creamy
  • smooth & silky
  • tangy & bright
  • balanced – not overly sweet
  • versatile; great for use in and on a variety of recipes

Once you've mastered this method, you can make other citrus curd recipes as well, such as lime curd tart, blood orange curt tart, and the grapefruit curd tart in Alternative Baker.

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Ingredients & Substitution Suggestions

This lemon curd uses few ingredients, so be sure to get ones that taste good: fresh butter, juicy lemons, and eggs with bright yolks and firm whites. Here's what each ingredient adds to this easy lemon curd recipe:

  • Lemons: form the base of this curd (obviously!) Be sure to use ripe, juicy lemons for the best flavor and texture. They should be vibrant yellow and have a tiny bit of give when you squeeze them.
    • Meyer lemons will also work here; just use the smaller amount of sugar, 1 1/4 cups, since Meyers are sweeter and less acidic. For other citrus fruits, see my recipes for lime curd tart and blood orange tart.
  • Eggs: Some lemon curd recipes use all whole eggs or all egg yolks. I like to use a combination of 4 whole eggs and 2 yolks. The egg whites help the curd set while the yolks add extra richness, color, and emulsifying power. This is the place to splurge on excellent eggs! Fresher eggs will make thicker curd that sets better, and the curd will be especially vibrant if you use farm-fresh eggs with bright yolks. My favorite widely-available brand is Vital Farms, but I usually get them from my local farmers market for the best quality.
  • Sugar: adds just the right level of sweetness to balance the acidic lemon juice.
    • For refined sugar-free, you could use maple sugar, subbed by weight (warning that it's pretty expensive and you'll need a lot of it!) or coconut sugar (but it will be brown and have a much more molasses-y flavor). Liquid sweeteners might make the curd too runny, so best to stick with granulated here.
  • Butter: the butterfat thickens and sets the curd, while the dairy softens the flavor of the citrus.
    • You could use a dairy-free butter; I'd recommend Miyoko's unsalted cultured butter since most DF butters are quite salty and we don't want that here. Or try using 7 tablespoons coconut oil.
  • Salt: just a touch of salt sharpens the flavor of the curd.

Method: Make Lemon Curd Like a Pastry Chef

Rather than use a water bath, which is cumbersome and takes more time, I like to cook my lemon curd directly in a saucepan set over low heat. I learned this technique in pastry school, and again in restaurant kitchens and bakeries. It works well for melting chocolate and making ice cream custard, too!

This recipe takes 20 minutes to make and yields 4 cups of curd. Store it in the fridge for up to 2 weeks or freeze for up to several months.

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Troubleshooting

Here are some common lemon curd woes and how to remedy them.

Problem: My Lemon Curd is Too Runny

What went wrong? The curd wasn't cooked long enough to allow the egg to thicken, or not enough butter was added.

How to fix it:

  1. To thicken runny lemon curd, put the curd back into your saucepan, place over the lowest possible heat, and stir constantly. The curd will thin out at first as the butter melts, but it will eventually begin to thicken back up. Make sure it coats the back of your soft spatula enough to hold a line when you swipe your finger through it, and measures 165-170ºF. Strain to remove any eggy bits that may have seized in the cooking process, return to jars, and chill until cold.
  2. Alternatively, heat the curd until it's warm to the touch, then remove from the heat and whisk in another few tablespoons of butter. The butter will solidify as it cools, thickening the curd further.

Problem: The Curd is Chunky or Grainy

What went wrong? The curd was overcooked, or the uncooked ingredients sat too long and the acidity curdled the eggs.

How to fix it:

  1. Try straining, then immersion-blending your curd to bring it back together or smooth it out.
  2. If this doesn't work, try adding another few tablespoons of butter to the warm curd to bring it back into emulsion.
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How to Use Your Perfect Lemon Curd

Aside from eating it straight from the jar, this versatile recipe can be used in a variety of recipes and applications. Here are some of my favorites:

  • Gift it in cute jars to your friends and neighbors
  • Use it as a lemon curd filling baked into gluten-free lemon bars or lemon tart with almond flour crust
  • Fold it into whipped mascarpone and spoon it into glasses for quick lemon mousse
  • Swirl it over gluten-free cheesecake for lemon cheesecake bliss
  • Serve it with buttery almond flour scones and homemade crème fraîche for a teatime treat
  • Spread it over almond flour crepes and top with whipped crème fraîche and fresh berries
  • Spread lemon curd filling between layers of sponge cake or pipe it into the center of lemon cupcakes
  • Plate slices of gluten-free lemon poppy seed cake or lemon almond olive oil cake with a swirl of lemon curd
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Storing Lemon Curd

Some best practices to ensure safe and delicious curd.

  • Do you need to refrigerate homemade lemon curd?
    • Yes! Lemon curd contains eggs which, even when "preserved" with acid, sugar, and fat, need to stay cold to stay safe. Store-bought lemon curd can be at room temperature after it's been pressure-canned to exacting standards, but needs to be kept cold after opening. So just say "no" to botulism and chill your curd.
  • Can lemon curd be frozen?
    • Yes! I tested freezing a jar of this curd and it worked beautifully. The thawed curd is a tiny bit looser compared with unfrozen curd, but I guarantee nobody else will notice this!
    • To freeze lemon curd, fill straight-sided glass jars with curd and leave 1/2-inch of head room on top to allow the curd to expand. Lid the jars and freeze for up to several months. Thaw in the fridge overnight to enjoy.

Got extra egg whites from making this lemon curd?

Here are some recipes that use them:

  • Vanilla Brown Butter Macaroons
  • Brown Butter Financiers
  • Kumquat Sesame Financiers
  • Poppyseed Plum Financiers

Lemon Curd for Everyone

Whether you enjoy this curd as a spread or filling, with or without dairy or refined sugar, smeared on a pastry or spooned straight from the jar, I hope you love it as much as we do!

Got any favorite uses for lemon curd? Tell me in the comments!

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Bojon appétit!For more Bojon Gourmet in your life, follow along onInstagram,Facebook, orPinterest, purchasemy award-winning gluten-free baking cookbookAlternative Baker, orsubscribeto receive new posts via email. And if you make thishomemade lemon curd recipe, I’d love to know. Leave a comment and rating below, and tag your Instagram snaps@The_Bojon_Gourmetand#bojongourmet.

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5 from 2 reviews

Thick & Buttery Homemade Lemon Curd

Print RecipePin Recipe

Learn to make lemon curd at home like a pastry chef with this step-by-step tutorial. My easy lemon curd recipe uses a combination of whole eggs and egg yolks, just enough sugar, a hit of lemon zest, and lots of butter. 5 ingredients + 20 minutes = lemon curd bliss.

Alanna Taylor-Tobin

Prep Time: 10 minutes minutes

Cook Time: 10 minutes minutes

Total: 20 minutes minutes

Servings: 4 cups

Ingredients

  • 10 tablespoons (140 g) unsalted butter, sliced
  • 1 tablespoon firmly packed finely grated lemon zest (from about 2 large lemons)
  • 1 ½ cups (340 g) organic granulated sugar (or 1 ¼ cups / 275 g for extra tangy curd)
  • teaspoon fine sea salt
  • 4 large eggs
  • 2 large egg yolks
  • 1 cup (235 ml) strained lemon juice (from about 6 large lemons)

Instructions

  • Place the butter and lemon zest in a heatproof bowl. Place a mesh strainer over the bowl and set aside.

  • In a medium, heavy-bottomed saucepan, whisk together the sugar, salt, eggs, and egg yolks to combine. Gradually whisk in the lemon juice.

  • Place the pot over medium-low heat and cook, stirring constantly with a heatproof silicone spatula, until the mixture thickens slightly and reaches 165- 170ºF on an instant-read thermometer, 5–10 minutes. As you stir, be sure to scrape the entire bottom and corners of the pan, so that the mixture heats as evenly as possible. It will start out thick and cloudy from the undissolved sugar, then will turn thin and translucent, and finally begin to thicken and turn cloudy again as the eggs cook. Lower the heat to very low as it gets closer to being done. If the mixture starts to curdle or bubble, immediately remove it from the heat and proceed to the next step.

  • Immediately pour the curd through the strainer and into the bowl of butter to stop the cooking. Whisk to incorporate the butter and lemon zest.

  • Pour the curd into storage jars and let cool for a few minutes, then cover the jars with lids and store in the fridge. The lids and warmth of the curd will prevent it from forming a skin on top.

  • Chill the curd until thick enough to enjoy, 30-60 minutes, or up to 2 weeks.

  • To freeze, pour the curd into straight-sided jars and leave 1/2-inch of head room on top for the curd to expand. Lid the jars and freeze for up to a few months. Thaw in the fridge overnight before using.

Video

Notes

Enjoy this lemon curd on toast, scones, crepes, sponge cake, cheesecake, or bake it into lemon bars or lemon tart.

Nutrition values are for one-fourth of the recipe.

Nutrition

Serving: 16gCalories: 646kcalCarbohydrates: 80gProtein: 8gFat: 35gSaturated Fat: 20gPolyunsaturated Fat: 2gMonounsaturated Fat: 10gTrans Fat: 1gCholesterol: 336mgSodium: 366mgPotassium: 146mgFiber: 0.3gSugar: 77gVitamin A: 1246IUVitamin C: 26mgCalcium: 51mgIron: 1mg

Making this? I'd love to see!Tag your snaps @The_Bojon_Gourmet and #bojongourmet!

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Thick & Buttery Homemade Lemon Curd (2024)

FAQs

How do I thicken my lemon curd? ›

Problem: My Lemon Curd is Too Runny

The curd wasn't cooked long enough to allow the egg to thicken, or not enough butter was added. How to fix it: To thicken runny lemon curd, put the curd back into your saucepan, place over the lowest possible heat, and stir constantly.

How do you add curd to thicken it? ›

Simply add a small amount of yogurt, like a spoonful, at a time. Stir your yogurt into the curry and keep adding a little more at a time until it reaches your desired thickness. This is great for Indian-style curries as a cream substitute.

How long does homemade lemon curd last in the fridge? ›

Lemon curd will last up to 2 weeks in the fridge, so it is great to make it in advance when you need it to fill cakes and pastries.

Can you overcook lemon curd? ›

Your lemon curd could get chunky and grainy if you let it overcook. One thing you should remember while making lemon curd is that you should never let it reach a point where it starts boiling. The ideal temperature for lemon curd is 170 degrees Fahrenheit, and it shouldn't cross that.

Why is my curd thin? ›

The temperature is too low. If the temp is below 68 degrees Fahrenheit, the cultures will not ferment properly and the milk will stay runny. The temperature is too high. If the temperature is above 80 degrees Fahrenheit, the yogurt will ferment too fast and will also render the yogurt runny.

Why is my lemon curd foamy? ›

Between the heat and whisking, lemon curd gets foamy while it's cooking. As the curd begins to thicken, the foam will start to settle down, and then the addition of the butter at the end of cooking eliminates the foam. So don't panic when you see foam, just keep whisking and cooking.

What can I do with runny curd? ›

If your cooled curd is not thick enough, you can reheat it to thicken. Put it over a low heat, stirring constantly. Ensure it coats the back of a spoon before taking it off the heat.

How to thicken lemon curd reddit? ›

You could use a corn starch slurry, usually about a tablespoon or less.

How thick should lemon curd be before taking off heat? ›

Lemon Curd should thick enough to coat the back of a spoon when it's hot and should thicken up to pudding-like consistency when it's chilled. The curd can take up to 10 minutes to thicken to the consistency of pourable pudding, so be patient (remember it will thicken more once it cools).

Why did my lemon curd turn green? ›

If your lemon curd turned green, it likely had a reaction to something metal. Avoid using a copper or aluminum pan as those will react with the lemon juice and cause the discoloration in the lemon curd, and could even cause a slightly metallic aftertaste.

What if my lemon curd is too sour? ›

If you measured correctly according to the instructions and still feel it is too sour, you can add about ¼ cup more sugar next time you make it.

Why is my lemon curd not getting thick? ›

Why is my lemon curd not thickening? Make sure to cook the curd until thickened and bubbling. Stir it frequently with a rubber spatula or whisk to make sure it doesn't get lumpy. Once it's cooked, add cold butter and stir until it melts and becomes smooth.

How to avoid eggy taste in lemon curd? ›

Always beat the butter with sugar, eggs, lemon juice, and zest before cooking. This will prevent the curd from tasting eggy. Use a pan with a heavy bottom when cooking the curd. Stay away from aluminum pan.

Why does my lemon curd taste like metal? ›

Why does my lemon curd taste metallic? A metallic aftertaste is usually the consequence of the lemon curd coming into contact with a metal (especially while it's hot). This could be a metal whisk, a metal bowl, a metal (or metal-coated) saucepan, or a metal sieve.

Why is my lemon curd gummy? ›

you basically broke the bonds of the egg protein when you stirred the curd. in any case, this is not uncommon. you can rebake it and it should set back up. if you are trying to use it for a spread then you will need to adjust the recipe to add gelatin or another thickening agent of sorts to use while it's cold.

Can you thicken milk with lemon juice? ›

Stir 1 scant cup of milk or cream and 1 tablespoon of lemon juice or vinegar together in a measuring cup. Let stand 5 to 10 minutes. Let the mixture stand at room temperature for 5 to 10 minutes. When it is ready, the milk will be slightly thickened and you will see small curdled bits.

How to fix split curd? ›

Once curdled it is hard to fix. However, whisking the sauce to beat up the curds, add some cream and flour can effectively hide the curdle and get it to the point of being acceptable. Corn starch, well whisked in, is also very effective and might give less of an off taste.

How to fix grainy lemon curd? ›

To fix it, remove it from heat and quickly transfer it to a blender or food processor. Blend on high speed until the mixture becomes smooth and creamy. Alternatively, you can strain the curd through a fine-mesh sieve to remove any lumps.

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