
Key lime pie
Key lime pie: tart, creamy lime custard in a buttery biscuit crust, the official pie of the Florida Keys
Key lime pie comes from the Florida Keys, the chain of islands south of Miami, where small, sharp Key limes and tins of condensed milk were kitchen staples long before fresh milk was easy to find. In Key West it is the dessert after a seafood supper, served cold on hot evenings. Lime juice and condensed milk thicken into a silky, sweet-sour custard over a crunchy biscuit-crumb crust, topped with whipped cream. It contains egg, milk and wheat. Older recipes leave the yolks raw; this one bakes the pie briefly so the eggs are cooked. If you cannot find Key limes, ordinary limes work well. The common mistake is overbaking: the filling should be set at the edges but still jiggle slightly in the centre, or it turns rubbery. Chef's tip: let the filling stand for 5 minutes after whisking in the juice before pouring; it starts to thicken in the bowl and sets more smoothly.
- Prep
- 20 min
- Cook
- 25 min
- Difficulty
- Easy
- Serves
- 8
- Per serving
- 420 kcal
Ingredients
For the crust
- 6 ½ oz digestive biscuit crumbs
- 2 tbsp caster sugar
- 2 ⅞ oz unsalted buttermelted
For the filling
- 4 egg yolkslarge
- 14 oz sweetened condensed milk1 tin
- ½ cup Key lime or lime juicefreshly squeezed
- 1 tbsp lime zestfinely grated
For the topping
- 1 cup double or whipping creamcold
- 1 tbsp icing sugar
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Method
0/6 doneStep 1: Heat the oven to 350°F (300°F fan). Mix 6 ½ oz digestive biscuit crumbs, 2 tbsp caster sugar and 2 ⅞ oz unsalted butter until it looks like wet sand.
Step 2: Press firmly over the base and up the sides of a 23 cm pie dish, using the bottom of a glass. Bake for 10 minutes, until fragrant and lightly golden, then cool for 10 minutes.
10 minStep 3: Whisk 4 egg yolks and 1 tbsp lime zest for 1 minute, until pale. Whisk in 14 oz sweetened condensed milk, then ½ cup Key lime or lime juice, until smooth. Leave to stand for 5 minutes; it will thicken slightly.
6 minStep 4: Pour into the crust and bake for 15 minutes, until the edges are set and the centre jiggles slightly when you nudge the dish. It should not brown.
15 minStep 5: Cool to room temperature, then chill for at least 4 hours, or overnight, until firm enough to slice cleanly.
Step 6: Whip 1 cup double or whipping cream with 1 tbsp icing sugar to soft peaks and spread or pipe over the pie just before serving. Keep leftovers in the fridge for up to 3 days.
Nutrition per serving
- Calories
- 420 kcal
- Protein
- 7 g
- Carbs
- 42 g
- Fat
- 25 g
- Fibre
- 1 g
Nutrition values are estimates.
KrazyBadal
Good to know
- How long does key lime pie take?
- About 45 minutes in total: 20 minutes to prepare and 25 minutes to cook.
- How many people does it serve?
- 8 as written. Change the servings above the ingredients and every amount scales to match.
- Is it vegetarian?
- Yes. It has no meat or fish.
- Can I make it ahead?
- Yes. It keeps well, so you can cook it earlier in the day or the day before and reheat it.
- What can I use instead of caster sugar?
- Caster sugar, same amount.
- What can I use instead of unsalted butter?
- The same weight of ghee or coconut oil (for frying and most baking).
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