Tarta de Tamarindo (Tamarind Tart with Lime)

Sharp tamarind gives this Mexican dessert tart its distinctive sweet-sour character, somewhere between citrus, dried fruit and gentle caramel. The filling is cooked to a glossy, custard-like consistency with sugar, lime and butter, then set in a crisp sweet pastry case so it slices neatly without losing its soft wobble. Lime keeps the richness clean and bright, making the tart especially good served in slim wedges after a spicy meal or as a refreshing make-ahead dessert. It can be served chilled or briefly brought towards room temperature for a softer texture.
Cuisine style Mexican dessert
Flavor profile Tangy • Sweet • Citrusy
Techniques Blind baking • Simmering • Chilling
Key equipment Tart tin • Oven • Saucepan • Whisk
Cooking style Make-ahead friendly
Time commitment Make-ahead friendly

Why this recipe works

  • Crisp pastry, smooth filling: Baking the pastry case before adding the tamarind filling helps keep the base dry and crisp against the soft custard centre.
  • Bright, balanced sharpness: Lime lifts the natural tang of tamarind, while sugar and butter round out the acidity without making the tart feel heavy.
  • Slices cleanly once cooled: The filling sets as it cools, making the tart easier to cut into neat wedges for serving later.

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Timing notes

  • Chill the pastry properly: Cold pastry is easier to roll and less likely to shrink, so allow time for both the dough and lined tart tin to firm up before baking.
  • Let the filling cool before adding eggs: The tamarind mixture should be warm rather than hot before the eggs are whisked in, which helps prevent curdling.
  • Cool before slicing: Give the baked tart time to settle at room temperature before cutting; the centre should be set but still tender.

Ingredient notes

  • Tamarind paste varies: Some tamarind pastes are thicker or more concentrated than others, so whisk thoroughly with water until smooth before heating.
  • Lime keeps the finish sharp: Lime gives the filling a clean, bright edge; lemon can be used for a softer citrus note.
  • Flour or cornflour set differently: Plain flour gives a softer custard-like set, while cornflour makes the filling glossier and slightly firmer.

Texture tips

  • Bake the case until dry: The pastry should look pale golden and feel dry to the touch before the filling goes in; this is key to avoiding a damp base.
  • Whisk constantly as it thickens: A steady whisk while the tamarind mixture simmers helps the flour disperse evenly and keeps the filling smooth.
  • Stop baking while the centre wobbles: The tart is ready when the edges are set and the middle still has a slight wobble; it will continue to firm as it cools.

Make-ahead tips

  • Make it in advance: The tart can be baked ahead and refrigerated, covered, until needed.
  • Serve chilled or lightly tempered: Serve straight from the fridge for the cleanest slices, or let portions sit briefly at room temperature for a softer texture.
  • Avoid reheating: Reheating can make the filling weep, so this tart is best served chilled or at room temperature.

Equipment you'll need

Ingredients

Sweet pastry

Tamarind filling

Instructions
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  1. Make the pastry: put the plain flour, fine sea salt and caster sugar in a bowl. Rub in the cold unsalted butter until it looks like fine crumbs. Mix in the egg yolk, then add the cold water a little at a time until the dough just comes together.
  2. Shape the dough into a flat disc, cover and chill until firm. This makes it easier to roll and helps prevent shrinkage in the oven.
  3. Heat the oven to 180°C (355°F). Roll the pastry out and line a 23 cm tart tin, pressing it neatly into the corners. Chill the lined tin for 10 minutes while the oven heats.
  4. Bake the pastry case for 18 to 22 minutes until pale golden and dry to the touch. If it puffs, gently press it down with the back of a spoon while still hot. Leave the case in the tin and reduce the oven to 160°C (320°F).
  5. Make the filling: in a saucepan, whisk the tamarind paste with the water until smooth, then whisk in the caster sugar. Bring to a gentle simmer over medium heat, stirring, until the sugar dissolves and the mixture looks glossy. Take off the heat and stir in the lime juice.
  6. Whisk the plain flour with a splash of the hot tamarind mixture to make a smooth paste, then whisk it back into the pan. Return to a gentle simmer and cook for 2 to 4 minutes, whisking constantly, until thickened to a loose custard consistency. Remove from the heat and whisk in the unsalted butter until melted.
  7. Let the filling cool for 10 minutes so it is warm rather than hot. Whisk the eggs in a bowl, then whisk them into the warm tamarind mixture until fully combined. Pour into the baked tart case.
  8. Bake for 12 to 15 minutes until the filling is set at the edges with a slight wobble in the centre. Cool at room temperature for at least 20 minutes before slicing for the cleanest finish. Serve in slices.

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Recipe notes

Tips

  • For a crisp base, make sure the pastry case looks dry and lightly golden before adding the filling.
  • If the tamarind paste is very thick, whisk it with the water off the heat first until smooth, then put it on the hob to simmer.
  • Eggs are lightly set in this tart; if you are pregnant, elderly, or immunocompromised, use eggs that are produced to be eaten raw or lightly cooked.

Substitutions

  • Replace the lime with lemon for a slightly softer citrus note.
  • Replace 20 g of the caster sugar in the filling with light brown sugar for a deeper, caramel-like sweetness.
  • Replace 25 g plain flour in the filling with 20 g cornflour for a glossier, slightly firmer set.

Storage

  • Refrigerate up to 3 days
  • Cover and refrigerate the tart. Serve chilled or let slices sit at room temperature for 10 to 15 minutes; avoid reheating, as the filling can weep.

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Tarta de Tamarindo (Tamarind Tart with Lime)
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Recipe overview

  • Servings: 8 servings
  • Yield: tamarind tart (23 cm)
  • Total time: 1h 45min (45min active)
  • Difficulty: Medium
  • Cuisine: Mexican
  • Allergens:
    Eggs Gluten Milk Wheat
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