Nigella Lawson’s Lemon Posset Recipe: Silky Citrus Indulgence

There’s something magical about a dessert that requires just three ingredients yet delivers restaurant-quality results. This lemon posset captures that perfect balance of tangy citrus and creamy richness that Nigella Lawson made famous.

The secret lies in the simplicity: heavy cream, sugar, and fresh lemon juice come together through a precise heating and chilling process. No eggs, no gelatin—just pure, velvety texture that melts on the tongue.

After 15 minutes of gentle simmering and an overnight chill, you’ll have a dessert with a smooth, silky consistency and a bright lemon flavor that’s neither too sweet nor too tart. It’s elegance in its purest form.

Serve in small glasses for the perfect individual treat. The results speak for themselves.

Ingredients for Lemon Posset Recipe Nigella Lawson

Just four quality ingredients deliver that signature silky citrus elegance in every spoonful.

The cream is non-negotiable here—full-fat heavy cream is what gives this its velvety texture. Most grocery stores carry it in the dairy section, but Whole Foods and Trader Joe’s often have higher-quality options (look for organic if you’re feeling fancy). The lemons should be fresh and juicy—Meyer lemons if you can find them (their sweeter flavor is divine).

Out of fresh lemons? Bottled lemon juice in a pinch (though the zest is trickier to replace). Want more depth? Add a splash of vanilla extract or a pinch of salt to balance the sweetness. The sugar can be swapped for superfine sugar if you want an even smoother texture (it dissolves faster). No need to adjust amounts.

This keeps beautifully in the fridge for up to 5 days—covered, of course. The flavor actually intensifies after a day or two. For longer storage, freeze (without zest) for up to 3 months, but thaw slowly in the fridge for best texture.

Step-by-Step Instructions for Lemon Posset

This elegant dessert comes together with just four ingredients and minimal effort.

Step 1: Simmer Cream and Sugar

In a medium saucepan, combine the 2 cups Heavy Cream and 0.75 cup Granulated Sugar over medium heat. Stir occasionally as the sugar dissolves, which should take about 2-3 minutes.

Once the sugar is fully dissolved, bring the mixture to a gentle simmer. Let it simmer undisturbed for exactly 3 minutes—this timing is crucial for achieving the right consistency. You’ll notice small bubbles forming around the edges, but avoid letting it reach a rolling boil.

Step 2: Infuse with Lemon

Remove the saucepan from heat and immediately stir in the 0.5 cup Fresh Lemon Juice and 1 tbsp Lemon Zest. The mixture will bubble vigorously as the cold citrus meets the hot cream—this is normal and expected.

Let the mixture stand for 5 minutes to allow the lemon flavors to fully infuse. Stir once halfway through this resting period to ensure even distribution of the zest. The cream will begin to thicken slightly as it cools.

Step 3: Strain and Pour

After the resting period, pour the mixture through a fine-mesh sieve into a large measuring cup or pitcher. This step removes the lemon zest and any potential sugar crystals, ensuring a perfectly smooth texture.

Use the back of a spoon to press gently on the zest in the sieve to extract as much flavorful liquid as possible. Discard the solids left in the strainer—they’ve given all their flavor to the cream.

Step 4: Chill to Perfection

Divide the strained mixture evenly among four serving glasses or ramekins. For consistent portioning, I recommend using a measuring cup to pour ½ cup of the mixture into each vessel.

Refrigerate the possets for at least 4 hours, but preferably overnight. The long chilling time allows them to set properly into that signature silky, spoonable texture. You’ll know they’re ready when the tops are firm but still have a slight wobble when gently shaken.

Serve chilled with a garnish of additional lemon zest if desired. The contrast between the creamy texture and bright citrus flavor makes this a truly indulgent finish to any meal.

Essential Equipment for Great lemon posset recipe nigella lawson

Precision Saucepan

Use a medium heavy-bottomed saucepan to evenly distribute heat. I love my All-Clad Stainless Steel for this—its 3-ply construction prevents hot spots that could scorch the cream. A 2-quart capacity gives the mixture enough room to simmer without boiling over.

Fine-Mesh Sieve

A fine-mesh strainer is essential for that silky texture. I use a Cuisinox strainer with 0.8mm holes that catches every bit of zest. Press the zest gently with a spoon to extract maximum lemon flavor. This small step makes a huge difference in mouthfeel.

Accurate Measuring

Precision matters here. Use liquid measuring cups for the cream and juice, and dry cups for sugar. I swear by OXO Good Grips for their clear markings. A microplane gives you the finest lemon zest without any bitter pith.

Serving Vessels

Individual 4-ounce glasses or ramekins work perfectly. I prefer Libbey shot glasses for their elegant shape. Make sure they’re heatproof—you’ll be pouring hot liquid directly into them. The clear glass also shows off the beautiful pale yellow color.

Cooling Setup

Have a wire rack ready for cooling the mixture before straining. This prevents the bottom from overcooking. I also keep a large measuring cup nearby for easy pouring into serving vessels. A ladle helps with portion control. 🔥

Frequently Asked Questions