Velvety Lemon Posset with Shortbread
A triumph of classic British food science. Heavy cream boiled with sugar is denatured by fresh lemon juice and zest, setting naturally in the refrigerator into a luscious, glossy custard served with buttery shortbread.
Pan Size & Surface Area Scaler
Don't have the exact pan called for in the recipe? Convert baking dimensions geometrically ($A = \pi r^2$ or $w \times l$) and receive thermal bake-time advisories.
8" Round Pan
50 sq. inches (324 cm²)
8" round
50 sq. inches (324 cm²)
1x
Exact 1:1 match
Target pan matches recipe geometry perfectly. Standard thermal conductivity.
Scaled Ingredient Quantities (1x multiplier)
Proportional quantities required to yield the intended layer thickness in your 8" pan.
- Double Cream or Heavy Whipping Cream (38% fat)450 ml
- Caster Superfine Sugar110 g
- Fresh Meyer Lemon Juice (Strained)60 ml
- Fine Lemon Zest5 g
- Pure Vanilla Extract3 ml
- Traditional All-Butter Shortbread Biscuits8 piece
Prep & Cook Timeline Scheduler
Choose what time you want to sit down and eat. Mise works backwards to calculate an actionable milestone schedule with zero guesswork.
Mise en Place & Active Prep
Measure all 6 ingredients and prep aromatics, proteins, and cookware.
Begin Active Cooking / Searing
Simmer Cream & Sugar Solution
Whisk in Acid & Vanilla
Remove saucepan completely from heat. Whisk in 60ml lemon juice, 5g lemon zest, and 3ml vanilla extract. As th...
Resting & Final Seasoning
Remove from active heat, allow juices/emulsion to stabilize, and adjust sea salt and fresh herbs.
Plate & Serve Hot
Dish up into pre-warmed bowls or platters. Yields 4 portions.
Culinary Science & Ratio Breakdown
Understand the thermal limits, hydration ratios, and seasoning equations governing this dish.
Optimized liquid retention prevents dry mouthfeel while ensuring proper sauce emulsification.
Wheat starch gelatinization initiation
Maillard reaction browning threshold
Caramelization of natural sugars
Method & Preparation (5 Steps)
Follow each step sequentially. Timed steps feature interactive hardware alarms and voice navigation.
- 1
Zest & Juice Meyer Lemons
Finely zest 2 washed lemons using a microplane, being careful to take only the fragrant yellow exterior and no bitter white pith. Squeeze and strain the juice through a fine tea strainer to yield exactly 60ml of clean citrus juice.
Equipment:Microplane GraterCitrus JuicerFine Tea Strainer5 min targetStep TimerZest & Juice Meyer Lemons05:00Paused - 2
Simmer Cream & Sugar Solution
In a medium heavy-bottomed saucepan, combine 450ml heavy cream and 110g caster sugar over medium heat. Stir until sugar is dissolved. Bring to a gentle rolling boil and boil for exactly 3 minutes, stirring constantly to prevent boil-over. The slight reduction is key to achieving the proper protein concentration.
Equipment:Medium SaucepanSilicone Spatula3 min targetStep TimerSimmer Cream & Sugar Solution03:00Paused - 3
Whisk in Acid & Vanilla
Remove saucepan completely from heat. Whisk in 60ml lemon juice, 5g lemon zest, and 3ml vanilla extract. As the acid encounters the hot cream proteins (casein), you will immediately notice the liquid thicken and take on a rich, glossy sheen.
Equipment:Small Whisk2 min targetStep TimerWhisk in Acid & Vanilla02:00Paused - 4
Cool & Pour into Ramekins
Let the mixture sit in the saucepan at room temperature for 5 minutes. Skim any surface bubbles with a spoon. Pour evenly into 4 small dessert glasses, glass pots, or ceramic ramekins.
Equipment:4 Glass Ramekins or Dessert PotsSmall Ladle5 min targetStep TimerCool & Pour into Ramekins05:00Paused - 5
Chill to Velvety Set
Refrigerate uncovered for at least 3 hours (or overnight) until chilled and completely set into a spoonable, silk-smooth custard. Garnish with a fresh raspberry or mint leaf and serve chilled with crisp all-butter shortbread fingers.
Equipment:Refrigerator180 min targetStep TimerChill to Velvety Set180:00Paused