Lemon posset is a classic British dessert that is both simple and elegant. With its silky texture and bright, tangy flavor, it's the perfect way to end a meal. This delightful treat requires just three ingredients and minimal effort, making it an ideal choice for both novice and experienced cooks alike.
The ingredients for this lemon posset recipe are quite straightforward. However, if you don't usually keep heavy cream in your fridge, you'll need to pick some up at the supermarket. Additionally, make sure to grab fresh lemons for the juice and zest, as they are essential for achieving the dessert's signature flavor.

Ingredients For Lemon Posset Recipe
Heavy cream: This is the base of the posset, providing a rich and creamy texture. Make sure to use heavy cream and not a lighter alternative for the best results.
Granulated sugar: This sweetens the posset and helps to balance the tartness of the lemon. Regular granulated sugar works perfectly.
Lemons: Fresh lemons are crucial for this recipe. You'll need both the juice and the zest to infuse the posset with a bright, citrusy flavor.
Technique Tip for This Recipe
When bringing the heavy cream and sugar to a boil, make sure to stir constantly to prevent the mixture from scorching. Use a heavy-bottomed saucepan to ensure even heat distribution. After adding the lemon juice and zest, give the mixture a good whisk to fully incorporate the citrus flavors. Pour the mixture into chilled serving glasses to help it set more quickly and evenly.
Suggested Side Dishes
Alternative Ingredients
heavy cream - Substitute with coconut cream: Coconut cream provides a similar rich and creamy texture, making it a good dairy-free alternative.
heavy cream - Substitute with evaporated milk: Evaporated milk can mimic the thickness of heavy cream, though it may be slightly less rich.
granulated sugar - Substitute with honey: Honey adds a natural sweetness and can be used in slightly smaller quantities due to its higher sweetness level.
granulated sugar - Substitute with maple syrup: Maple syrup offers a unique flavor and can be used as a natural sweetener, though it may slightly alter the taste.
lemons, juiced and zested - Substitute with lime juice and zest: Lime juice and zest provide a similar acidic and citrusy flavor, though with a slightly different taste profile.
lemons, juiced and zested - Substitute with orange juice and zest: Orange juice and zest offer a milder, sweeter citrus flavor, which can create a different but pleasant variation.
Other Alternative Recipes Similar to This Dessert
How to Store / Freeze This Dessert
- Allow the lemon posset to cool completely at room temperature before storing.
- Cover each serving glass with plastic wrap or transfer the posset into an airtight container.
- Store in the refrigerator for up to 3 days to maintain its creamy texture and fresh flavor.
- For longer storage, place the posset in the freezer. Ensure the container is airtight to prevent freezer burn.
- When ready to serve, thaw the posset in the refrigerator overnight. Avoid thawing at room temperature to maintain its consistency.
- Garnish with fresh lemon zest or a sprig of mint before serving to add a touch of elegance and freshness.
How to Reheat Leftovers
- Gently warm the lemon posset in a saucepan over low heat, stirring occasionally to ensure it heats evenly. Be careful not to let it boil, as this can alter the texture.
- If you prefer a quicker method, microwave the lemon posset in short bursts of 10-15 seconds, stirring in between each burst to maintain a smooth consistency.
- For an elegant touch, place the lemon posset in a heatproof bowl and set it over a pot of simmering water (double boiler method). Stir gently until warmed through.
- If you have a sous-vide machine, place the lemon posset in a sealed bag and immerse it in a water bath set to 140°F (60°C) for about 15-20 minutes, ensuring it heats evenly without curdling.
Best Tools for This Recipe
Saucepan: Used to heat and combine the heavy cream and sugar.
Wooden spoon: Essential for stirring the mixture constantly to prevent it from burning.
Citrus juicer: Helps extract juice from the lemons efficiently.
Zester: Used to grate the lemon zest finely.
Measuring cups: Necessary for accurately measuring the heavy cream and sugar.
Measuring spoons: Useful for measuring the lemon juice if needed.
Serving glasses: Containers to pour the posset mixture into for setting and serving.
Refrigerator: Required to chill the posset for at least 2 hours before serving.
How to Save Time on Making This Dessert
Prepare ingredients in advance: Measure out the heavy cream, sugar, and lemon juice and zest before you start cooking to streamline the process.
Use a microplane for zesting: A microplane makes zesting lemons quick and easy, saving you time and effort.
Simmer without distraction: Stay focused while bringing the heavy cream and sugar to a boil to avoid overflows and ensure even cooking.
Chill glasses in advance: Place your serving glasses in the fridge beforehand so the lemon posset sets faster once poured.
Clean as you go: Tidy up while the mixture simmers to save time on cleanup later.

Lemon Posset Recipe
Ingredients
Main Ingredients
- 2 cups heavy cream
- ¾ cup granulated sugar
- 2 units lemons, juiced and zested
Instructions
- 1. In a saucepan, bring the heavy cream and sugar to a boil, stirring constantly.
- 2. Once boiling, reduce the heat and simmer for 3 minutes, continuing to stir.
- 3. Remove from heat and stir in the lemon juice and zest.
- 4. Pour the mixture into serving glasses and let cool to room temperature.
- 5. Refrigerate for at least 2 hours before serving.
Nutritional Value
Keywords
Suggested Appetizers and Main Courses
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