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Lemon Posset Recipe

Published: Feb 26, 2026 by Rosa · This post may contain affiliate links · Leave a Comment

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If you’re looking for a dessert that’s elegant, refreshingly tangy, and incredibly easy to make, this Lemon Posset Recipe is going to become your new favorite. Silky smooth with just the right amount of citrus zing, this classic British treat feels fancy but requires only a handful of simple ingredients. It’s the perfect finale to any meal, guaranteed to impress without stressing you out in the kitchen.

Ingredients You'll Need

A white plate with two thin blue rings near the edge holds eight lemon halves filled with smooth, creamy light yellow lemon custard. The custard fills each hollow lemon shell evenly, with a glossy, slightly shiny texture on top. The lemon shells are bright yellow with a slightly rough texture on the edges and a few small green spots. The plate sits on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

One of the best things about this Lemon Posset Recipe is how straightforward and minimal the ingredients are. Each item plays an essential role, creating a luxurious texture and bright, lively flavor that truly shines.

  • 2 cups heavy whipping cream: The rich base that gives the posset its creamy, luscious texture.
  • ⅔ cup granulated sugar: Sweetens the dessert just enough to balance the tart lemon.
  • 5 tablespoons lemon juice (about 3 lemons): Provides that fresh, vibrant citrus punch that makes this dessert unforgettable.
  • Lemon slice or berries (optional for serving): Adds a pretty, fresh garnish that brightens up the presentation.

How to Make Lemon Posset Recipe

Step 1: Boil the Cream and Sugar

Start by heating the heavy cream and granulated sugar in a small saucepan. Stir gently to dissolve the sugar and bring the mixture to a boil. Then, maintain a medium boil for about 5 minutes, ensuring it doesn’t boil over. This step is crucial to thicken the cream and develop that rich, silky texture.

Step 2: Add in the Lemon Juice

Once the cream-sugar mixture has boiled, remove the pan from heat and stir in the fresh lemon juice. The acid will immediately start to transform the cream, causing it to set beautifully as it cools. Let this sit for around 15 minutes. For a perfectly smooth posset, strain the mixture through a fine mesh sieve to catch any pulp or zest.

Step 3: Fill Your Containers

Divide the luscious mixture into ramekins or, if you want to get creative, hollowed-out lemon halves make elegant natural bowls. Fill each container about three-quarters full to allow it to set properly without overflowing. This also ensures that each serving has a perfectly creamy consistency.

Step 4: Chill Until Set

Place your filled ramekins or lemon halves in the refrigerator for at least 2 hours. This chilling period is when the magic happens—the posset firms up into a luxuriously soft custard-like pudding, bursting with that fresh lemon flavor.

How to Serve Lemon Posset Recipe

A glass jar filled with a smooth, creamy white dessert forms the base layer, topped with fresh fruits including a halved bright red strawberry, several plump dark blue blueberries, and a vibrant red raspberry arranged on one side of the jar’s surface. The jar rests on a white marbled surface scattered with blueberries around it and a halved lemon nearby. A silver spoon holding a small scoop of the creamy dessert is placed next to the jar, showing the soft texture. Another jar with a similar dessert and fruit topping is partially visible at the edge. photo taken with an iphone --ar 4:5 --v 7

Garnishes

When it comes to garnishing your Lemon Posset Recipe, simplicity is key. A small dollop of freshly whipped cream adds an airy contrast to the creamy posset, while a thin lemon slice or a handful of ripe berries provide a pop of color and a touch of freshness that’s as beautiful as it is tasty.

Side Dishes

This dessert shines brightly on its own but pairs wonderfully with light accompaniments. Serve it alongside delicate shortbread cookies or simple biscuit fingers for a delightful textural contrast. Fresh fruit salads or mint leaves also complement the citrus profile perfectly without overpowering it.

Creative Ways to Present

If you want to turn this humble dessert into a showstopper, try serving it in elegant glasses layered with crushed biscotti or ginger snaps at the bottom. Alternatively, filling lemon shells adds a charming touch that’s perfect for entertaining. You can also jazz it up visually by drizzling a little honey or scattering edible flowers on top for a stunning, Instagram-worthy finish.

Make Ahead and Storage

Storing Leftovers

Lemon Posset Recipe makes excellent leftovers. Simply cover your ramekins tightly with plastic wrap or store them in airtight containers. Keep refrigerated and enjoy within 2-3 days for the freshest taste and texture.

Freezing

While freezing lemon posset is possible, it isn’t recommended as it can alter the texture. The delicate cream-setting may become grainy upon thawing, so this dessert is best enjoyed fresh from the fridge.

Reheating

Since this is a chilled dessert, reheating isn’t necessary or advised. If you prefer a slightly softer texture after refrigeration, just let it sit at room temperature for 10-15 minutes before serving to take the chill off.

FAQs

Can I use bottled lemon juice instead of fresh lemons?

Freshly squeezed lemon juice is always best for this recipe because it offers the brightest, most natural flavor. Bottled lemon juice can work in a pinch, but it might lack the fresh zestiness that makes the Lemon Posset Recipe so special.

Is heavy cream the only type of cream I can use?

Heavy cream is essential here because its high fat content allows the posset to set properly and feel indulgent. Lower-fat creams won’t thicken as well, which can affect the final texture.

Can I make this dessert vegan or dairy-free?

Unfortunately, traditional Lemon Posset Recipe relies on dairy cream to set. If you need a vegan alternative, you might want to explore recipes that use coconut cream or similar substitutes, but know the texture and flavor will differ.

How long does it take for the posset to set?

Refrigerate the mixture for at least 2 hours to ensure it’s fully set with a silky, custard-like consistency. For best results, some people prefer to leave it chilling overnight.

Can I prepare this ahead for a party?

Absolutely! Lemon Posset Recipe is perfect for making ahead. Prepare the possets and keep them refrigerated until serving. They actually taste even better with a bit of resting time to let the flavors meld.

Final Thoughts

If you’re craving a dessert that’s simple to make, deliciously creamy, and bursting with fresh lemon flavor, don’t hesitate to try this Lemon Posset Recipe. It’s one of those treats that feels fancy but is wonderfully straightforward, perfect for sharing with friends and family on any occasion. Once you make it, I promise it will become a go-to dessert you’ll want to whip up again and again!

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Lemon Posset Recipe

Lemon Posset Recipe
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3.9 from 4 reviews

Lemon Posset is a classic British dessert that features a creamy, tangy lemon-flavored custard made with just three simple ingredients. This no-bake treat is silky smooth and sets in the refrigerator, making it an elegant and refreshing dessert perfect for any occasion.

  • Author: Rosa
  • Prep Time: 10 minutes
  • Cook Time: 10 minutes
  • Total Time: 2 hours 20 minutes
  • Yield: 10 servings
  • Category: Dessert
  • Method: Stovetop
  • Cuisine: British
  • Diet: Gluten Free

Ingredients

Ingredients

  • 2 cups heavy whipping cream
  • ⅔ cup granulated sugar
  • 5 Tbsp lemon juice (from about 3 lemons)
  • Lemon slice or berries for serving (optional)

Instructions

  1. Boil: In a small saucepan, combine the heavy whipping cream and granulated sugar. Heat over medium, stirring occasionally to dissolve the sugar completely. Bring the mixture to a boil, then reduce the heat to maintain a medium boil and cook for 5 minutes, ensuring it does not boil over.
  2. Add lemon: Remove the pan from heat and stir in the fresh lemon juice. Let the mixture cool for 15 minutes to allow flavors to meld. Then strain the mixture through a fine mesh sieve into a large measuring cup with a pouring lip, removing any lemon pulp or solids.
  3. Fill: Divide the strained mixture evenly into 6 ramekins or alternatively fill 10-12 hollowed-out lemon halves about ¾ full, which helps the posset set properly and looks visually appealing when served.
  4. Refrigerate: Chill the posset in the refrigerator for at least 2 hours or until fully set and firm to the touch. Once set, garnish with whipped cream, lemon slices, or fresh berries as desired before serving.

Notes

  • Use fresh lemons for the best flavor and sufficient juice extraction.
  • Straining the mixture ensures a smooth, silky texture by removing pulp or seeds.
  • Ramekins are ideal for individual servings but lemon halves add a decorative touch.
  • Heavy cream is essential for the rich and creamy texture; do not substitute with lighter creams.
  • This dessert can be made a day ahead and refrigerated, making it perfect for entertaining.

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Hi, I'm Rosa

Welcome to Simple Platter, where food is never complicated, but it's always made with love.

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