Tai Zi Ta, also known as Crown Prince Egg Tart, is a beloved Hong Kong-style pastry with a flaky, buttery crust and a silky, lightly sweet custard filling. This halal version uses only halal-certified butter and omits any lard or alcohol, making it accessible to a wider audience. The contrast between the crisp, layered pastry and the smooth, eggy custard is what makes these tarts so irresistible, and they are surprisingly achievable at home.
Ingredients
- For the pastry dough:
- 2 cups (250 g) all-purpose flour
- 1/4 cup (50 g) granulated sugar
- 1/2 teaspoon salt
- 3/4 cup (170 g) cold unsalted butter, cut into small cubes (halal-certified)
- 1 large egg, beaten
- 2-3 tablespoons cold water
- For the custard filling:
- 3 large eggs
- 1/2 cup (100 g) granulated sugar
- 1 cup (240 ml) hot water
- 1/2 cup (120 ml) evaporated milk
- 1/2 teaspoon vanilla extract (optional)
Instructions
- Make the pastry dough: In a large bowl, whisk together the flour, sugar, and salt. Add the cold butter cubes and cut them into the flour using a pastry blender or your fingertips until the mixture resembles coarse crumbs with some pea-sized butter pieces.
- Add the beaten egg and 2 tablespoons of cold water. Mix with a fork until the dough starts to come together. If it seems dry, add the remaining tablespoon of water. Turn the dough out onto a lightly floured surface and knead gently just until it forms a ball. Do not overwork. Wrap in plastic wrap and refrigerate for at least 30 minutes.
- While the dough chills, make the custard: In a medium bowl, whisk the eggs and sugar together until the sugar is mostly dissolved. Pour in the hot water and whisk continuously to combine. Stir in the evaporated milk and vanilla extract. Strain the mixture through a fine-mesh sieve into a liquid measuring cup or bowl with a spout. Set aside.
- Preheat the oven to 400°F (200°C). Grease a 12-cup muffin tin or use individual tart molds.
- Roll out the dough: On a lightly floured surface, roll the chilled dough to about 1/8-inch (3 mm) thickness. Use a round cutter (about 4 inches / 10 cm) to cut out circles. Gently press each circle into a muffin cup, ensuring the dough comes up the sides evenly. Prick the bottom of each tart shell with a fork to prevent bubbling.
- Blind bake the shells: Line each tart shell with a small piece of parchment paper and fill with pie weights or dried beans. Bake for 10 minutes. Remove the paper and weights, then bake for another 5 minutes, or until the pastry is lightly golden. Remove from the oven and reduce the oven temperature to 350°F (175°C).
- Fill and bake: Pour the custard into the pre-baked shells, filling each about 3/4 full. Carefully return the pan to the oven and bake for 15-18 minutes, or until the custard is just set but still slightly jiggly in the center. The internal temperature of the egg custard should reach 160°F (71°C) as per USDA FSIS safe minimum for egg dishes.
- Cool and serve: Let the tarts cool in the pan for 10 minutes, then transfer to a wire rack. Serve warm or at room temperature.
Tips
- Keep everything cold: For the flakiest crust, ensure your butter is very cold and work quickly. If the dough becomes too soft, chill it again before rolling.
- Strain the custard: Straining removes any lumps and ensures a silky-smooth texture. Don’t skip this step.
- Don’t overbake: The custard will continue to set as it cools. Overbaking can cause it to become rubbery or crack. Aim for a slight jiggle in the center.
- Use a scale for accuracy: Weighing your flour and butter gives more consistent results than measuring by volume, especially for pastry.
Serving Suggestions
Serve these egg tarts warm with a cup of Hong Kong-style milk tea (using halal-certified milk) or a simple black coffee. They also pair beautifully with fresh fruit for a light dessert. For a special touch, dust the tops with a little powdered sugar just before serving.
Variations
- Portuguese-style: Instead of the plain custard, use a mixture of 1 cup (240 ml) heavy cream, 1/2 cup (120 ml) milk, and 3 egg yolks, sweetened to taste. This creates a richer, creamier filling.
- Matcha twist: Add 1 teaspoon of matcha powder to the custard mixture for a subtle green tea flavor and a beautiful color.
- Coconut version: Replace the evaporated milk with coconut milk for a dairy-free and subtly tropical variation.
Storage and Reheating
Store leftover egg tarts in an airtight container in the refrigerator for up to 3 days. To reheat, place them on a baking sheet and warm in a 350°F (175°C) oven for 5-7 minutes, or until the pastry is crisp again. Avoid microwaving, as it will make the crust soggy. These tarts are best enjoyed fresh on the day they are made.
Frequently Asked Questions
Can I use puff pastry instead of making the dough from scratch? Yes, you can use halal-certified puff pastry sheets. Thaw them according to the package instructions, then cut and press into your tart molds. Blind baking times may vary slightly, so keep an eye on them.
Why did my custard curdle or become watery? This usually happens if the custard is overbaked or if the temperature is too high. Always bake at 350°F (175°C) and remove the tarts when the center is still slightly jiggly. Also, make sure to strain the custard to remove any cooked egg bits.
Can I make the dough ahead of time? Absolutely. The dough can be wrapped tightly and refrigerated for up to 2 days, or frozen for up to 1 month. Thaw in the refrigerator overnight before rolling.
Is there a halal substitute for butter? If you prefer a dairy-free version, you can use a high-quality halal margarine or coconut oil (solid). Keep in mind that this will change the flavor and texture slightly.
Can I use a different type of milk? Yes, you can use whole milk or a plant-based milk like almond or oat milk. The custard may be slightly less rich, but it will still be delicious.
How do I know when the tarts are done? The edges of the custard should be set, but the center should have a gentle wobble. A food thermometer inserted into the center should read 160°F (71°C) to ensure food safety.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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