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Rhubarb Tart with Custard
Rhubarb tart with custard is the kind of dessert that looks elegant on the table but comes down to a few classic pastry elements working together. A crisp sweet shortcrust pastry forms the base, a smooth vanilla pastry cream brings richness, and a softly stewed rhubarb topping adds color, tartness, and a gentle spice note. When those layers come together, the result feels polished without losing that homemade warmth.
This tart has a little more structure than a quick crumble or cake, but each part is manageable when taken step by step. You make the pastry, bake it until golden, cook the pastry cream until thick, and stew the rhubarb until it softens into a compote. None of the pieces need tricks. They just need a bit of time and an orderly approach.
What makes this rhubarb tart with custard especially lovely is the flavor balance. The pastry is lightly sweet and crisp, the vanilla filling is creamy and mellow, and the rhubarb brings brightness with just enough spice from cinnamon and star anise to make the tart feel finished. It is the sort of dessert that works beautifully for spring gatherings, a dinner party, or any meal where you want dessert to feel special.
Because the recipe includes chilling and resting time, it is also a smart make-ahead dessert. That makes it practical as well as pretty, which is always welcome in a home kitchen. It also belongs comfortably beside other elegant dessert recipes when you want a full table of sweets.
Why we love this recipe
This tart stands out because every layer adds a different texture. The shortcrust is crisp, the custard is smooth, and the rhubarb compote is soft and spoonable. That contrast gives the dessert its charm.
It is also a wonderful way to use rhubarb in season. Instead of hiding the fruit under a lot of extra sweetness, the recipe lets rhubarb stay bright and recognizable. The pastry cream softens that tartness, while the spices round it out.
Another reason to love it is that it slices beautifully after chilling. That makes it a nice dessert for sharing when you want something that looks tidy and feels a little celebratory.
Ingredients
The ingredient list is divided into three clear parts: sweet shortcrust pastry, vanilla pastry cream, and stewed rhubarb.
For the pastry, soft unsalted butter, confectionner’s sugar, egg, almond meal, salt, and plain flour make a tender tart shell. The almond meal gives the pastry a little extra flavor and a delicate crumb.
The custard uses full cream milk, vanilla paste or extract, egg yolks, caster sugar, and cornstarch. That combination gives you a pastry cream that is rich but still sliceable once chilled. Since the filling uses egg yolks, safe egg handling matters in any kitchen, especially when you are working through a multi-step dessert.
The rhubarb topping is simmered with water, caster sugar, lemon, cinnamon, and star anise. Those flavors make the fruit taste fuller while keeping rhubarb in the lead. If you are starting with fresh stalks, rhubarb’s tart stalks are the part meant for cooking.
- Sweet Shortcrust Pastry:
- 100g unsalted butter, soft
- 40g confectionner’s sugar
- 1 large egg, at room temperature
- 40g almond meal
- 1 pinch salt
- 200g plain or all-purpose flour
- Vanilla Pastry Cream:
- 375ml full cream milk
- 1/2 teaspoon vanilla paste or extract
- 3 large egg yolks, at room temperature
- 30g caster sugar
- 20g cornstarch
- Stewed Rhubarb:
- 500g fresh rhubarb
- 500ml water
- 150g caster sugar
- 1 lemon
- 1 stick cinnamon, or 1/2 teaspoon ground cinnamon
- 6 star anise pods, or 1/2 teaspoon ground star anise
How to make rhubarb tart from scratch
Begin with the pastry. Cream the soft butter and confectionner’s sugar until smooth, then mix in the egg, almond meal, and salt. Add the flour and mix only until the dough comes together. Roll it between two sheets of baking paper, chill it for at least 1 hour, then line a 25cm tart pan and prick the base.
Freeze the lined tart briefly while the oven heats to 160°C/325°F. Bake the shell for 20 to 30 minutes, until it is dry to the touch and golden. Let it cool completely.
For the pastry cream, heat the milk and vanilla over low heat. In another bowl, whisk together the egg yolks and sugar, then whisk in the cornstarch. Pour the hot milk over the egg mixture while whisking, then return it to the pot. Cook over low heat, whisking until thick. Once it reaches the first boil, keep whisking for 30 seconds, then transfer it to a bowl, cover the surface, and chill.
To make the rhubarb, wash and cut the stalks into small sticks. Heat the water and sugar until dissolved, then add the rhubarb, lemon peels, juice of half the lemon, cinnamon, and star anise. Simmer for 5 to 10 minutes, until the rhubarb is very soft. Remove the rhubarb with a slotted spoon, discard the aromatics, and break the fruit into a compote.
Spread the chilled pastry cream over the cooled tart shell, spoon the rhubarb compote over the top, and refrigerate for about 30 minutes before serving.
Rhubarb pie pastry
A good tart shell starts with gentle handling. Once the flour goes in, mix only until the dough comes together. That helps the crust stay tender instead of turning tough.
Rolling the dough between baking paper is also helpful because it keeps the pastry easier to handle and limits extra flour. Chilling the dough is not optional here. It firms the butter, makes lining the tart pan easier, and helps the shell keep its shape while baking.
If the pastry cracks a little as you line the pan, simply press it back together. Tart dough is very forgiving in that way.
Pastry cream tart filling
The pastry cream is where the tart gets its rich, mellow center. The key is steady whisking and patient heat. Once the hot milk goes into the yolk mixture, whisk right away so the eggs blend smoothly rather than scrambling.
When the custard goes back on the stove, keep the heat low and the whisk moving. As soon as it thickens and reaches that first boil, the extra 30 seconds of whisking helps cook out the starch and set the cream properly.
Chilling with plastic wrap touching the surface keeps a skin from forming and gives you a smooth filling that spreads more easily later.
How to prepare rhubarb compote
The rhubarb layer is soft rather than chunky, which works very well with the creamy filling below it. Simmering the fruit with lemon, cinnamon, and star anise gives it more character, but the rhubarb still stays in front.
Using a slotted spoon to remove the fruit is a smart detail because it keeps the topping from becoming too wet. Once the aromatics are removed, break the softened rhubarb into a compote and let it cool before assembling the tart.
If your rhubarb is especially firm, it may need a little more time on the stove. If it is very ripe, it may soften more quickly. If you want extra rhubarb ready for future baking, preserving rhubarb well makes that easier.
Assembling the fruit custard tart
Assembly is pleasantly simple after the three components are ready. Spread the chilled pastry cream into the baked tart shell, smoothing it into an even layer. Spoon the rhubarb compote over the top and spread it gently with the back of a spoon.
A short chill after assembling helps the tart set, making it easier to slice cleanly. That final rest also lets the layers settle together so every slice has crisp pastry, creamy filling, and soft fruit.
For a dessert table with a few complementary choices, this tart sits nicely beside other fruit desserts like homemade cherry pie filling.
Recipe FAQs
Can this tart be made ahead?
Yes. In fact, it is a good make-ahead dessert because the components need chilling time anyway.
What if the pastry cream feels too firm to spread?
The notes mention that you may need to loosen it a little before spreading. A quick stir usually helps.
Do I have to use fresh rhubarb?
The recipe calls for fresh rhubarb, and that is the confirmed version for this tart.
How should it be served?
Serve it chilled or cool, sliced into neat portions.
Rhubarb Tart with Custard
This Stewed Rhubarb Tart with Vanilla Custard Filling is a great way to use rhubarb when in season. With its crunchy shortcrust pastry, sweet pastry cream filling and spiced rhubarb compote, this tart makes a beautiful dessert to serve at the end of a meal or bring to a party!
Equipment
- 25cm tart pan
- Rolling Pin
- small pot
- medium pot
- Mixing Bowls
- whisk
Ingredients
Sweet Shortcrust Pastry
- 100 g unsalted butter soft
- 40 g confectionner’s sugar
- 1 large egg at room temperature
- 40 g almond meal
- 1 pinch salt
- 200 g plain or all-purpose flour
Vanilla Pastry Cream
- 375 ml full cream milk
- 1/2 teaspoon vanilla paste or extract
- 3 large egg yolks at room temperature
- 30 g caster sugar
- 20 g cornstarch
Stewed Rhubarb
- 500 g fresh rhubarb
- 500 ml water
- 150 g caster sugar
- 1 lemon
- 1 stick cinnamon or 1/2 tsp ground cinnamon
- 6 pods star anise or 1/2 tsp ground star anise
Instructions
Sweet Shortcrust Pastry
- Cream the very soft Butter and Confectionner’s Sugar until smooth. Mix in the Egg slowly, then the Almond Meal and Salt. Add the Plain Flour and slowly mix just until combined.
- Transfer between two sheets of baking paper and roll into a large disk. Rest in the fridge for at least 1 hour. Line your 25cm / 10 inch tart pan with the pastry and prick the bottom with a fork.
- Place the tart pan in the freezer while preheating your oven on 160’C/325’F.
- Bake for 20 to 30 minutes or until fully baked, dry to the touch and golden. Set aside to cool down.
Vanilla Pastry Cream
- Heat up the Milk and Vanilla in a small pot over low heat.
- In a separate bowl, whisk together the Egg Yolks and Sugar. Add the Cornstarch and whisk until smooth.
- Once the Milk starts to boil, remove from the heat and slowly pour over the Egg/Sugar/Cornstarch while whisking. Transfer back into the pot and place back on the stove on low heat.
- Whisk until the cream starts to thicken. When you see the first boil, keep whisking for an additional 30 seconds then pour into a bowl. Cover with plastic wrap touching the surface and chill completely.
Stewed Rhubarb
- Prepare the rhubarb: remove the leaves, wash the stalks and cut them into small sticks.
- Place the Water and Sugar in a medium pot and heat until the sugar has dissolved.
- Add the rhubarb, lemon peels, juice of half the lemon, cinnamon stick and star anise pods.
- Bring to a simmer and cook for 5 to 10 minutes or until the rhubarb becomes very soft and starts to break apart.
- Use a slotted spoon to remove the rhubarb from the liquid. Discard the lemon peels, cinnamon stick and star anise pods. Break the rhubarb into a compote and cool.
Assembling the Tart
- Spread the pastry cream over the baked tart crust.
- Place the rhubarb compote over the custard and spread it with a spoon.
- Place back in the fridge to set for about 30 minutes or until ready to be served.
Notes
You might need a little bit less or more water depending on the size of your pot.
Depending on how fresh or ripe the rhubarb is, you might need to cook it for longer.
Using a slotted spoon allows you to discard the cooking liquid.
You might need to loosen the pastry cream before spreading it over the pastry.
Depending on how fresh or ripe the rhubarb is, you might need to cook it for longer.
Using a slotted spoon allows you to discard the cooking liquid.
You might need to loosen the pastry cream before spreading it over the pastry.
