Lemon Posset with Sumac Strawberries
Lemon posset turns three basic ingredients—cream, sugar, and lemon—into a smooth, softly set dessert without eggs, gelatin, cornstarch, or baking. It is rich, bright, and especially useful when you need a make-ahead dessert that requires very little equipment.
This lemon posset recipe is topped with strawberries lightly macerated in sugar and sumac. The berries bring freshness, while the sumac adds a gentle tart edge that complements the lemon without dominating it.
Allow at least four hours for chilling so the cream can develop its proper spoonable texture.
Why You’ll Love This Recipe
- No oven, mixer, or specialized mold is required.
- It can be prepared one or two days ahead.
- Fresh lemon supplies the flavor and acidity needed for the set.
- Sumac strawberries add a subtle Middle Eastern-inspired finish.
Ingredients
For the Lemon Posset
- 2 cups plus 1 tablespoon heavy cream (500 ml)
- 1/2 cup plus 1 tablespoon granulated sugar (about 120 g)
- 1/4 cup plus 1 teaspoon fresh lemon juice (65 ml)
- 2 teaspoons finely grated lemon zest
- Small pinch of fine salt
For the Sumac Strawberries
- 8 ounces fresh strawberries (225 g), hulled and sliced
- 1 tablespoon granulated sugar (12–15 g)
- 1/2 teaspoon ground sumac
- Tiny pinch of fine salt
Optional Garnish
- 2 tablespoons toasted chopped pistachios
- Fresh lemon zest
- Small mint leaves
Ingredient Notes
Use heavy cream or heavy whipping cream with roughly 35–40% milk fat. Lower-fat dairy products should not be used as direct substitutes.
Measure the lemon juice by volume rather than relying on a fixed number of lemons. Zest the fruit first, taking only the yellow outer layer and avoiding the bitter white pith.
Choose ripe but firm strawberries. Very soft berries release too much liquid and may leave a watery layer on the posset. Use culinary ground sumac without added salt.
Equipment
You will need a small saucepan, spoon or spatula, juicer, fine grater, measuring cup, fine-mesh strainer, and six small heat-safe ramekins or glasses.
How to Make This Lemon Posset Recipe
1. Prepare the Dishes and Lemons
Place six 4-ounce (120 ml) ramekins on a tray that fits in the refrigerator.
Finely grate the lemon zest, then juice the lemons. Measure the juice and strain out seeds and excess pulp. Keep the zest and juice separate.
2. Heat the Cream
Combine the cream, sugar, lemon zest, and salt in the saucepan. Heat over medium-low to medium heat, stirring until the sugar dissolves.
Bring the mixture to a controlled simmer. Once small bubbles rise steadily across the surface, boil gently for about four minutes, stirring often. Lower the heat if the cream begins climbing the pan.
The mixture should lightly coat the spatula but remain pourable. Avoid a violent boil.
3. Add the Lemon Juice
Remove the saucepan from the heat and wait about 30 seconds for the bubbling to settle.
Stir in the measured lemon juice. The cream should remain smooth and pourable; it will set during chilling.
4. Strain and Portion
Pass the cream through a fine-mesh strainer into a heat-safe jug. Let it rest for about five minutes, then divide it evenly among the ramekins.
Transfer the tray to the refrigerator. Leave the portions uncovered only until they stop visibly steaming, then cover them without touching the surface.
5. Chill
Refrigerate for at least four hours, or overnight. A properly set posset should move with a gentle wobble when tilted but should not flow like liquid cream.
6. Prepare the Strawberries
About 15–20 minutes before serving, toss the sliced strawberries with the sugar, sumac, and salt.
Let them stand until glossy and lightly juicy. Do not leave them long enough to collapse or produce a large pool of syrup.
7. Serve
Spoon a small amount of strawberries over each chilled posset immediately before serving. Finish with pistachios, fresh zest, or mint if desired.
Expert Tips
Use a saucepan with enough headroom because cream rises quickly. Judge the texture only after the full chilling time; the warm mixture should remain pourable.
Straining gives the smoothest finish. Add the fruit topping just before serving because macerated strawberries release liquid.
Common Mistakes to Avoid
Low-fat cream is the most common cause of a loose posset. Too little lemon juice, insufficient simmering, or inadequate chilling can also weaken the set.
Measure the juice and avoid aggressive boiling. Serve the posset in its dish; it is not firm enough to unmold.
Variations and Substitutions
For a classic version, omit the strawberries and serve the posset with lemon zest or a plain shortbread biscuit.
Raspberries or blackberries can replace the strawberries. For a lemon-pistachio variation, skip the fruit and add toasted pistachios just before serving.
Lime juice, Meyer lemon juice, coconut cream, reduced-fat cream, honey, and sugar substitutes can change the setting chemistry. They should not be treated as automatic one-for-one replacements.
Serving Suggestions
Serve lemon posset in small portions. A thin shortbread cookie or plain butter biscuit provides a crisp contrast. Black coffee, unsweetened tea, raspberries, or toasted nuts also work well.
Make-Ahead
Prepare the possets one or two days ahead. Wash and dry the strawberries in advance, but slice and season them shortly before serving. Toasted pistachios can be stored in an airtight container.
Storage
Cover the plain possets and refrigerate them for up to two days for the best texture and appearance. Store the strawberry topping separately.
Keep the dessert at 40°F (4°C) or below. Do not leave it at room temperature for more than two hours, or more than one hour when the temperature is above 90°F (32°C).
Freezing
Freezing is not recommended. The cream can become grainy or slightly icy after thawing, while refrigeration preserves its smoother texture.
Frequently Asked Questions
Why did my lemon posset not set?
The likely causes are low-fat cream, too little measured lemon juice, insufficient simmering, or inadequate chilling. Wait the full four hours before judging the result.
Can I use whipping cream instead of heavy cream?
Yes, provided it contains about 35% milk fat or more. Light whipping cream may not set reliably.
How long does lemon posset need to chill?
Allow at least four hours. Overnight chilling is also suitable.
Can lemon posset be made the day before?
Yes. Keep it covered and refrigerated, and store the fruit topping separately until serving.
What is the difference between lemon posset and panna cotta?
Posset sets through acidic lemon juice and heated cream. Panna cotta is usually set with gelatin and has a firmer texture.
Can I use bottled lemon juice?
Fresh juice is preferable for flavor and consistency. Bottled juice can vary in acidity and may contain additional ingredients.
Can I freeze lemon posset?
It is better not to. Freezing and thawing can disturb the smooth cream structure.
This easy lemon posset recipe depends on full-fat cream, measured lemon juice, a controlled simmer, and enough chilling time. Add the sumac strawberries only when serving.
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