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This lemon posset recipe is made with cream, sugar, and fresh lemon juice for a smooth, creamy, and tangy dessert. An easy no-bake dessert perfect for dinner parties, holidays, or a refreshing treat any time of year.

Ingredients

2 cups heavy whipping cream*
2/3 cup granulated sugar
5 Tbsp lemon juice (about 3 lemons)*
Lemon slices or berries, optional for garnish

Instructions

Boil the cream: In a small saucepan, combine the cream and sugar. Heat over medium heat, stirring until the sugar dissolves. Bring to a boil, then reduce heat slightly to prevent boiling over. Continue boiling gently for 5 minutes.
Add lemon juice: Remove the pan from the heat and stir in the lemon juice. Let the mixture cool for 15 minutes. Strain through a fine mesh sieve into a large measuring cup with a spout for easy pouring.
Fill containers: Pour the mixture evenly into 6 ramekins, or into 10–12 hollowed lemon halves for a creative presentation. Fill each about 3/4 full so the custard sets properly.
Chill: Refrigerate for at least 2 hours, or until firm. Garnish with whipped cream, lemon slices, or fresh berries before serving.

Why You’ll Love This Recipe

Lemon posset is a classic British dessert that’s luxuriously creamy with a refreshing citrus flavor. It requires only three main ingredients and minimal effort, yet feels elegant and restaurant-worthy. Perfect for dinner parties, holidays, or a simple treat at home.

Tips

Use fresh lemon juice for the best flavor. Bottled juice won’t have the same brightness.
Straining the mixture ensures a silky-smooth texture.
Chill thoroughly—at least 2 hours—for the dessert to set properly.
Serve in small portions as it’s rich and creamy.

Variations and Substitutions

Citrus swap: Replace lemon juice with lime, orange, or grapefruit for a twist.
Infused flavors: Add lavender, rosemary, or vanilla bean to the cream while boiling for subtle flavor notes.
Dairy-free: Use full-fat coconut cream instead of heavy cream (texture will vary slightly).
Presentation: Serve in cocktail glasses, mini jars, or hollowed citrus halves.

FAQs

What is lemon posset?
It’s a traditional English dessert made from cream, sugar, and lemon juice that thickens naturally without eggs or gelatin.

Can I make lemon posset ahead of time?
Yes, it can be made up to 2 days in advance. Keep refrigerated until serving.

Why didn’t my posset set?
Make sure you boiled the cream long enough and used enough acid (lemon juice). Underboiling or too little lemon can prevent setting.

Serving Suggestions

Garnish with whipped cream, fresh berries, or candied lemon peel.
Pair with shortbread cookies, biscotti, or almond thins for crunch.
Serve in elegant glassware for dinner parties, or in citrus halves for a fun, casual presentation.