

Another lemon tart? Yes indeed! And there’s even a chance I might end up liking it ^^ Lemon and I aren’t exactly friends. It’s not really my thing. However, I must say I really love the freshness of lime. A little zest over any dessert (or almost), and it lifts the whole thing, it adds zing! I’ve already made several lemon tarts — I’m always on the lookout for THE recipe, the one that will make my other half or my dear Fanny, big fans of this dessert, drool with delight.
I first wanted to try Eric Kayser’s recipe, but it wasn’t a success: the lemon cream was far too dense. So I tried again, using the lemon cream recipe I’d already made and adding zests (lemon, lime and kaffir lime). And to add a little touch of originality, I added a few drops of concentrated bergamot lemon flavouring to the Italian meringue. And there you have it… I present to you a four-citrus tart, no less!
Ingredients & preparation
5 components · Full recipe
Pierre Hermé’s Lemon Sweet Pastry (you will have some left over, which can be frozen)
- 140 g (4.9 oz) softened butter
- 75 g (2.6 oz) icing sugar
- 25 g (0.9 oz) ground almonds
- 1 pinch of fleur de sel
- 1 egg
- 250 g (8.8 oz) flour
- zest of 1 lemon
Cream the softened butter using the paddle attachment of a stand mixer or a spatula, then add the icing sugar and lemon zest.
Add the egg, ground almonds, salt and flour. Do not overwork the dough.
Once the mixture is smooth, roll it out thinly between two sheets of baking paper.
Pre-cut a large square to the dimensions of your tart frame and a wide strip for the sides of the tart. This is Mercotte’s method, which I highly recommend, as the dough is very fragile and warms up quickly (even after a stint in the freezer).
Place the pre-cut dough in the freezer.
Tart Assembly
- None
Preheat the oven to 180°C / 350°F.
Place the tart frame on the square of dough as soon as it comes out of the freezer. Immediately add the pre-cut strip around the frame. Bear in mind that the dough defrosts quickly and is easier to work with while it is still slightly firm.
Prick the base and cover with baking paper and baking beans to prevent the pastry from rising during baking.
Bake for approximately 12 to 15 minutes (the pastry should be golden). Leave to cool on a wire rack.
To prevent the pastry from going soggy when it comes into contact with the lemon cream, you have two options: coat the base with melted chocolate (dark, milk or white) using a pastry brush, or — as I did — brush the base with a little beaten egg 5 minutes before the end of baking.
Lemon Cream
- 180 ml (6.1 fl oz) lemon juice (yellow and green lemons)
- 3 eggs
- 135 g (4.8 oz) caster sugar
- 60 g (2.1 oz) butter
- 1 tablespoon cornflour
- zest of 1 lemon, 1 lime and 1 kaffir lime
Squeeze the lemons and limes and collect the juice. Also collect the zests (plus the zest of a kaffir lime). Put everything in a saucepan and bring to the boil.
In a bowl, beat the whole eggs with the sugar. Add the cornflour and mix.
When the lemon juice starts to boil, pour it in a thin stream into the bowl while straining (to remove the zests), stirring constantly, then return the whole mixture to the saucepan over a medium heat.
Once the mixture has thickened and become smooth, remove the saucepan from the heat. Leave to cool slightly, then add the butter cut into pieces, whisking well.
Blend everything with a stick blender to make the cream perfectly smooth.
If your tart shell is ready, you can pour the lemon cream in straight away. Otherwise, transfer to a jar.
Leave to cool before refrigerating.
Italian Meringue
- 2 egg whites
- 125 g (4.4 oz) sugar
- 50 ml (1.7 fl oz) water
- a few drops of bergamot lemon concentrated flavouring (or zest of ½ bergamot lemon)
Separate the whites from the yolks and leave the whites to rest at room temperature for 1 hour. Pour the whites into a bowl.
Pour the sugar and water into a saucepan. Heat over a medium heat with a thermometer in place.
Begin whisking at minimum speed to slowly build up the whites while the syrup heats.
When the syrup reaches 110°C / 225°F, whisk at full speed to obtain firm whites.
When the syrup reaches 118°C / 244°F (do not exceed 120°C / 250°F), pour it in a thin stream over the whites while whisking at full speed. Once all the syrup is incorporated, continue whisking until the meringue is cold. This can take up to 10 minutes.
Don’t forget to add the drops of bergamot lemon concentrated flavouring.
Assembly
- None
Take your tart shell filled with the lemon cream.
Fill a piping bag fitted with a large Saint-Honoré nozzle with the Italian meringue.
Pipe the meringue over the cooled lemon tart.
Brown the meringue with a blowtorch (be careful — this happens very quickly, and you should not hold the blowtorch too close to the meringue). If you don’t have a blowtorch, you can place the tart under a hot grill for a few minutes.
Keep the meringue tart in the fridge until ready to serve.
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