Lemon Icebox Pie
Why this recipe works
- Clean citrus balance: Fresh lemon juice cuts through the sweetness of the condensed milk, giving the filling its bright, tangy character.
- Light, creamy filling: Whipped double cream softens the density of the condensed milk mixture, creating a smooth filling that sets without feeling heavy.
- Built for chilling ahead: The pie needs time in the fridge to set, so it suits advance preparation and can be served cold straight from the tin.
Get the most out of this recipe
Timing notes
- Allow enough setting time: The crumb base needs a short chill before filling, and the assembled pie needs at least 3 hours in the fridge to slice cleanly.
- For the neatest slices: An overnight chill gives the filling extra stability, which is useful if serving the pie for guests.
- Serve cold: Slice just before serving and keep the pie chilled until needed, as the filling softens once it stands at room temperature.
Ingredient notes
- Choose good lemons: Unwaxed lemons are preferable when using zest; if they are unavailable, scrub the fruit well before grating.
- Use well-chilled cream: Cold double cream whips more reliably and gives the filling the body it needs to hold its shape.
- Fresh juice matters: Freshly squeezed lemon juice gives a cleaner, brighter acidity than bottled juice, which can taste flatter in a no-cook filling.
Texture tips
- Firm the base properly: Press the crumb mixture firmly into the tin and chill until the butter has set before adding the filling.
- Fold gently: Fold the whipped cream into the lemon mixture carefully to keep air in the filling and avoid a dense finish.
- Wipe between cuts: For clean slices, use a sharp knife and wipe the blade between each cut.
Make-ahead tips
- Make it in advance: The pie can be assembled ahead and kept covered in the fridge until ready to serve.
- Freezing slices: Freeze set slices on a tray until firm, then wrap well and thaw overnight in the fridge.
- Best after a long chill: The flavour and texture are especially settled after several hours in the fridge, making this a good next-day dessert.
Equipment you'll need
Ingredients
Instructions
- Melt the butter in a small saucepan over low heat, then take off the heat. Tip the digestive biscuit crumbs into a mixing bowl, add the salt, then stir in the melted butter until evenly moistened.
- Press the crumb mixture firmly into the base and up the sides of a 20 cm springform tin. Chill for 20 minutes to firm up.
- Finely grate the zest from 2 lemons, then squeeze enough juice from the lemons to get 120 ml. In a bowl, whisk the sweetened condensed milk with the lemon juice, lemon zest and vanilla extract until thickened and smooth.
- In a separate bowl, whisk the double cream to soft peaks. Fold the whipped cream into the lemon mixture in two additions, keeping as much air in the mixture as you can.
- Spoon the filling into the chilled base and smooth the top. Chill for at least 3 hours, or until set enough to slice cleanly.
- Release the pie from the tin, slice, and serve cold. For the neatest slices, wipe the knife between cuts.
Recipe notes
Tips
- For a firmer base, press the crumbs firmly up the sides using the bottom of a glass, then chill until the butter has fully set.
- If serving to pregnant people, young children, older adults, or anyone with a weakened immune system, use pasteurised double cream and ensure the pie is kept properly chilled.
Substitutions
- Replace vanilla extract with lemon extract for a sharper citrus finish.
- Replace digestive biscuit crumbs with digestive biscuits, crushed to fine crumbs, for the same flavour and texture.
Storage
- Refrigerate up to 3 days
- Keep covered in the fridge and serve straight from chilled. Freeze slices on a tray until firm, then wrap well; thaw overnight in the fridge before serving.
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Recipe overview
- Servings: 8 servings
- Total time: 4h 20min (25min active)
- Difficulty: Easy
- Cuisine: American
-
Allergens:
Gluten Milk Wheat
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