Ingredients
Equipment
Method
Prepare Your Lemons
- First, grab your lemons. Using a microplane, carefully zest your lemons, making sure to avoid the bitter white pith. You want only the fragrant yellow lemon zest. Then, cut your lemons in half and squeeze out the juice. Set both the zest and juice aside, ready for action.
Simmer the Cream Mixture
- In a heavy-bottomed saucepan, combine your heavy whipping cream, granulated sugar, and the lemon zest you just prepared. Place the saucepan over medium heat and stir gently until the sugar completely dissolves. Increase the heat slightly to medium-high until the mixture just starts to boil. Once it reaches a gentle boil, immediately reduce the heat to medium/medium low and let it simmer for 5-8 minutes. Keep a close eye on it to ensure the cream doesn’t boil over. You'll notice the cream start to slightly reduce in volume and take on a delicate golden yellow color as it thickens slightly.
The Critical Tempering Step
- This is where the magic happens! Once your cream has reduced and taken on that lovely hue, remove the saucepan from the heat. Now, and this is crucial, allow the mixture to cool. You’re aiming for a temperature of 185°F (85°C). Use a food thermometer for precision – it’s your best friend here. Once it hits the target temperature, slowly, I mean slowly, begin to whisk in the reserved lemon juice. Adding the acid at this specific, slightly lower temperature ensures a gradual and controlled coagulation of the milk proteins, preventing any dreaded curdling and guaranteeing a perfectly smooth, creamy set.
Strain for Perfection
- For an incredibly silky smooth texture, I highly recommend an optional step: strain the warm posset mixture through a fine mesh strainer. This removes the lemon zest particles and any tiny protein clumps, ensuring a truly refined finish. If you love the visual and aromatic appeal of the zest, you can skip this, but for ultimate smoothness, it’s worth the extra minute.
Chill to Set
- Carefully pour your perfectly smooth posset mixture into your chosen serving containers or ramekins. Place them in the refrigerator and let them chill for at least 4 hours, though overnight is truly ideal for the best custard-like consistency. If you're feeling fancy, you can even pour them into hollowed-out lemon halves for a whimsical presentation.
Garnish & Serve
- Once beautifully set and chilled, your creamy lemon dessert is ready to shine! Serve it plain, or elevate it with a garnish of fresh berries (raspberries or strawberries are particularly lovely) or a delicate drizzle of coulis. For a show-stopping twist, sprinkle 1-2 teaspoons of granulated sugar evenly over the top of the chilled posset and use a kitchen torch to brûlée the sugar until golden and caramelized, transforming it into a stunning Crème Brûlée posset!
Nutrition
Notes
For ultimate smoothness, straining the warm posset mixture through a fine mesh strainer is recommended. This make-ahead dessert stores well, covered, in the refrigerator for 3-5 days. Freezing is not advised as it can affect the texture. Patience during chilling (at least 4 hours, ideally overnight) ensures the best consistency.
Nutrition information is estimated based on common ingredients and serving sizes and may vary.