If you love lemony desserts but hate fuss, meet your new best friend: lemon posset. It’s one of those tiny miracles where heavy cream, sugar, and lemon juice turn into a bright, velvety pudding—no eggs, no gelatin, and almost no effort. Pin it for dinner parties or quick weeknight treats; it looks fancy but feels like comfort.
This dessert is great for using up extra lemons and showcases how acid and heat can transform cream into a delicate set—read more about lemon varieties and their flavor profiles at Britannica to help choose the best fruit for your posset. The end result is clean, tart, and luxuriously smooth: a small spoonful goes a long way.
Ingredients
- 2 cups (480 ml) heavy cream — Use full-fat for the best silky texture; avoid reduced-fat creams which won’t set as well.
- 1/2 cup (100 g) granulated sugar — Fine sugar dissolves fastest; swap for light brown for a caramel note (color will deepen).
- 3–4 tablespoons fresh lemon juice (from about 1–2 lemons) — Taste as you go; choose bright, juicy lemons and strain seeds.
- Zest of 1 lemon — Adds perfume and a punch of flavor; finely grate to avoid bitter pith.
- Pinch of fine sea salt — Balances the sweetness and lifts the citrus flavors.
- Optional: whipped cream or fresh berries for serving — Adds texture contrast and visual appeal.
Instructions
- Combine cream and sugar in a small saucepan over medium heat. Stir gently as the sugar dissolves—watch for steam and small bubbles forming at the edge (about 5–7 minutes).
- Bring the mixture to a gentle simmer, then let it simmer for 2–3 minutes. You should see tiny rolling bubbles and the cream will smell slightly sweet and toasty—this short boil concentrates flavor and helps the posset set.
- Remove the pan from heat. Stir in the lemon zest and salt, then slowly pour in the lemon juice while whisking constantly. The mixture will thicken almost immediately and develop a glossy look.
- Strain the mixture through a fine-mesh sieve into a heatproof bowl or measuring cup to catch any zest bits and ensure a silky finish.
- Divide the posset liquid into 4–6 small serving glasses or ramekins. Let cool to room temperature (about 15–20 minutes), then cover and refrigerate until fully set—at least 4 hours, preferably overnight. It should hold a spoon-shaped wiggle but be firm to the touch.
- Serve chilled, topped with a dollop of whipped cream, fresh berries, or a sprinkle of extra lemon zest. Spoon through to find the luxuriously smooth custard beneath the garnish.
Tips & Variations
- Make it floral: Add 1 teaspoon of elderflower liqueur or 1/2 teaspoon of orange blossom water after you add lemon juice for a delicate twist.
- Swap the citrus: Use lime or blood orange juice for a different flavor profile—adjust the amount to taste (limes are more tart, use a little less).
- Dairy-free option: Traditional posset relies on dairy proteins, but you can use canned full-fat coconut milk plus 1/2 teaspoon agar-agar to help set. Texture will be different—more pudding-like.
- Extra creaminess: Fold a few tablespoons of softly whipped cream into the set posset for a lighter, mousse-like texture before serving.
- Make-ahead & storage: Possets keep in the fridge for up to 4 days in a sealed container. Avoid freezing—ice crystals can break the silky texture.
- Salt and sweetness: Always taste before chilling. Lemon sharpness varies—add a touch more sugar or a pinch more salt to balance if needed.
Serving Suggestions
- Pair with buttery shortbread or lemon cookies for a satisfying crunch alongside the creamy posset.
- Fresh berries (raspberries or blueberries) add color and a burst of brightness—scatter a few on top just before serving.
- For a brunch or dessert platter, offer mini possets alongside macarons, candied nuts, and a fresh fruit salad to make it a whole spread.
- Presentation tip: Serve in clear glasses so the posset’s pale lemon color shows through; garnish with a thin lemon twist or edible flowers for a Pinterest-ready shot.
- Make-it-a-meal: Finish a light fish or roasted chicken dinner with lemon posset to echo the citrus notes of the main course.
FAQs
How does a posset thicken without eggs or gelatin?
Posset thickens because the sugar-concentrated cream changes texture when briefly boiled and then acidified with lemon juice. The acid destabilizes milk proteins and causes them to bind, creating a silky set—no eggs or gelatin needed.
Can I use low-fat milk instead of heavy cream?
No—low-fat milk won’t give the same set or mouthfeel. Heavy cream’s fat and protein are essential for the posset’s rich, custardy texture. For a lighter option, try mixing half cream and half whole milk, but expect a looser set.
How long does it take to set properly?
Allow at least 4 hours in the fridge, though overnight is ideal. The posset will firm from the edges inward; it’s ready when the surface looks matte and the spoon leaves a clean ripple.
Can I make posset ahead for a party?
Absolutely—possets are fantastic make-ahead desserts. Prepare them up to 3–4 days in advance, keep covered in the fridge, and add fresh garnishes right before serving for best appearance.
Is freezing posset okay?
Freezing is not recommended. Ice crystals form and break the delicate structure, leaving a grainy texture when thawed. Stick to refrigeration for storage.
How do I keep the texture silky and avoid curdling?
Heat the cream gently and don’t boil aggressively—use a gentle simmer. Whisk in lemon juice off the heat and strain before chilling to remove any grains or zest bits. These steps help maintain a smooth finish.
Final Thoughts
Lemon posset is one of those deceptively simple desserts that feels luxurious without demanding kitchen mastery. It’s quick to pull together, stores beautifully, and photographs like a dream—perfect for busy bakers and entertainers alike. For basic food-safety guidance when storing dairy desserts, check these handy food safety tips from FoodSafety.gov to keep your treats both delicious and safe.
Print
Ultimate Lemon Posset Easiest Dessert Ever Quick Guide Pro
- Total Time: 4 hours 30 minutes
- Yield: 4–6 servings 1x
Description
Lemon Posset recipe 3ingredient 5min prep silky citrus custard fridgeset stepwise pro tips minimal kit makeahead crowdpleasing dessert
Ingredients
Instructions
Notes
Silky lemon posset made with three ingredients—cream, sugar, and lemon—ready in 10 minutes and sets into a dreamy custard. Perfect make-ahead dessert for any occasion.
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Category: Dessert
- Cuisine: British
Nutrition
- Calories: 505 kcal
- Sugar: 25 g
- Fat: 43 g
- Carbohydrates: 25.8 g
- Fiber: 0 g
- Protein: 2.5 g
Keywords: lemon posset, lemon dessert, easy dessert, make-ahead dessert, three-ingredient dessert