This is simply the most wonderful grapefruit tart recipe from Edd Kimber's 'One Tin Bakes'. You can use your own favorite tart crust recipe and pour in oodles of Edd's divine and zingy custard filling and top it with a mountain of his meringue!


From One Tin Bakes: "The classic citrus tart filling can be made a few different ways. You can make a custard that is baked in the oven, a stovetop curd or a butter-rich citrus cream. While I have love for each of these methods, more and more I want something a little simpler. This recipe uses the easier pastry cream method. The grapefruit custard is made on the stovetop, using cornflour to thicken the custard, which makes the filling more foolproof."


One Tin Bakes: Sweet and simple traybakes, pies, bars and buns by Edd Kimber

Whether you want cookies or cakes, pastries or desserts, something fruity, chocolatey, spiced or nutty, baking just got a whole lot easier.
With chapters including Cakes, Brownies & Cookies, Pastry, Desserts, No-Bake Bakes and Buns & Breads, there's plenty to choose from to create a beautiful bake, all made in the same 9x13 pan. Try Anzac Caramel Slices for a sweet treat with a salty kick, Rhubarb & Strawberry Cobbler for an easy summer dessert, or Tahini Babka Buns for those weekend cravings.

You need minimal equipment and skill to whip up something fruity, chocolatey, spiced or nutty - One Tin Bakes is full of versatile and achievable recipes that celebrate the flavors of both traditional and modern bakes from around the world, each with a special Edd Kimber twist.

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Serves 10–12

YOU WILL NEED:
1 fully baked 23 x 33cm (9 x 13in)
tart case - use your favorite recipe or get Edd's book and use the recipe on page 78.

FOR THE CUSTARD FILLING:
350g (12oz/1¾ cups) caster
(superfine) sugar
50g (1¾oz/6 tablespoons) cornflour (cornstarch)
finely grated zest of 2 ruby grapefruits
finely grated zest of 3 limes
360ml (12½fl oz/1½ cups) ruby grapefruit juice (from 3–4 large grapefruits)
90ml (3¼fl oz/6 tablespoons) lime juice (from about 4 limes)
4 large egg yolks
160ml (5½fl oz/⅔ cup) double
(heavy) cream
30g (1oz/2 tablespoons) unsalted butter

FOR THE MERINGUE TOPPING:
4 large egg whites
300g (10½oz/1½ cups) caster (superfine) sugar
¼ teaspoon cream of tartar
1 teaspoon vanilla bean paste
¼ teaspoon grapefruit (or other
citrus) bitters
  1. To make the custard filling, place the caster sugar and cornflour
into a large saucepan and whisk to combine. Add the remaining
ingredients, except the butter, and whisk to combine. Cook over
a medium-high heat, whisking constantly, until the mixture comes to a simmer, then cook for a further 2 minutes until thick. Remove from the heat, stir through the butter until melted and smooth, then pour the custard into the baked tart case. Press 
a sheet of clingfilm on to the surface of the custard to prevent 
a skin from forming. Leave at room temperature for an hour, then transfer to the refrigerator for at least 4 hours.
  2. For the meringue topping, place the egg whites, sugar and cream of tartar into a large, heatproof bowl set over a pan 
of simmering water (ensuring the bottom of the bowl doesn’t touch the water underneath) and whisk until the sugar has dissolved. You can tell when this mixture is ready by rubbing
a little between your fingers. If it feels smooth it is ready, 
if you feel grains of sugar cook for longer. Remove the bowl from the heat and, using an electric mixer, whisk until stiff and glossy. Add the vanilla and bitters and whisk briefly to combine. Scrape the meringue on to the tart and spread over the filling. Using a blowtorch or under a preheated hot grill (broiler), burnish the meringue until toasted.
  3. Kept in the refrigerator, without the meringue, this tart will keep for a couple of days, but my preference is to serve it as close to making as possible to keep the pastry at its crispest.

TIP:

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This is simply the most wonderful grapefruit tart recipe from Edd Kimber's 'One Tin Bakes'. You can use your own favorite tart crust recipe and pour in oodles of Edd's divine and zingy custard filling and top it with a mountain of his meringue!
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