Indulge in the rich, creamy delight of Portuguese custard tarts, a beloved pastry that combines a flaky puff pastry crust with a luscious custard filling. These tarts are perfect for any occasion, offering a taste of Portugal's culinary heritage right in your own kitchen.
When preparing this recipe, you might need to pick up a few items that aren't always in your pantry. Puff pastry is a key ingredient that provides the flaky crust, and it is usually found in the frozen section of your supermarket. Heavy cream adds richness to the custard, and cornstarch helps thicken the mixture to the perfect consistency.

Ingredients For Portuguese Custard Tarts
Sugar: Adds sweetness to the custard filling.
Milk: Provides a creamy base for the custard.
Heavy cream: Enhances the richness of the custard.
Cornstarch: Thickens the custard mixture.
Egg yolks: Contributes to the custard's smooth texture and rich flavor.
Vanilla extract: Adds a fragrant, sweet aroma to the custard.
Puff pastry: Forms the flaky, buttery crust of the tarts.
Technique Tip for This Recipe
When making the custard for your Portuguese custard tarts, ensure you whisk the cornstarch mixture constantly over medium heat until it thickens. This prevents lumps and ensures a smooth, creamy texture. Additionally, when incorporating the egg yolks into the hot mixture, temper them first by adding a small amount of the hot mixture to the yolks, whisking constantly, before combining everything together. This prevents the yolks from curdling and ensures a silky custard.
Suggested Side Dishes
Alternative Ingredients
sugar - Substitute with honey: Honey is a natural sweetener and can provide a slightly different flavor profile, but it will still add the necessary sweetness.
sugar - Substitute with maple syrup: Maple syrup can add a unique depth of flavor while still providing the sweetness needed for the custard.
milk - Substitute with almond milk: Almond milk is a dairy-free alternative that can be used to achieve a similar consistency.
milk - Substitute with coconut milk: Coconut milk can add a subtle coconut flavor and is a good dairy-free option.
heavy cream - Substitute with coconut cream: Coconut cream is a rich, dairy-free alternative that provides a similar texture and creaminess.
heavy cream - Substitute with evaporated milk: Evaporated milk can be used to achieve a similar richness and thickness.
cornstarch - Substitute with arrowroot powder: Arrowroot powder is a natural thickening agent that can be used in place of cornstarch.
cornstarch - Substitute with tapioca starch: Tapioca starch is another thickening agent that works similarly to cornstarch.
egg yolks - Substitute with custard powder: Custard powder can be used to mimic the texture and flavor of egg yolks in custard recipes.
egg yolks - Substitute with silken tofu: Silken tofu can be blended to create a smooth, creamy texture similar to egg yolks.
vanilla extract - Substitute with vanilla bean paste: Vanilla bean paste provides a more intense vanilla flavor and can be used in place of vanilla extract.
vanilla extract - Substitute with almond extract: Almond extract can add a different but complementary flavor to the custard.
puff pastry - Substitute with phyllo dough: Phyllo dough can be used to create a similar flaky texture, though it may require more layers.
puff pastry - Substitute with homemade pie crust: A homemade pie crust can be used as a base, though it will have a different texture compared to puff pastry.
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How to Store or Freeze These Tarts
To keep your Portuguese custard tarts fresh, store them in an airtight container at room temperature for up to 2 days. Ensure they are completely cooled before sealing them to avoid condensation.
For longer storage, place the tarts in the refrigerator. They can last up to 5 days when chilled. Before serving, you can reheat them in a preheated oven at 350°F (175°C) for about 5-10 minutes to restore their crispiness.
If you wish to freeze the tarts, first allow them to cool completely. Wrap each tart individually in plastic wrap to prevent freezer burn, then place them in a freezer-safe bag or container. They can be frozen for up to 2 months.
When ready to enjoy, thaw the tarts in the refrigerator overnight. For a freshly baked taste, reheat them in a preheated oven at 350°F (175°C) for about 10-15 minutes until they are warm and the puff pastry is crisp again.
Avoid microwaving the tarts as it can make the custard filling rubbery and the pastry soggy. Always opt for oven reheating for the best texture and flavor.
If you have leftover custard mixture, store it in an airtight container in the refrigerator for up to 3 days. You can use it to make more tarts or as a delightful filling for other desserts.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the Portuguese custard tarts on a baking sheet and cover them loosely with aluminum foil to prevent over-browning. Heat for about 10-15 minutes or until warmed through. This method helps maintain the flaky texture of the puff pastry while ensuring the custard is heated evenly.
If you're in a hurry, use a microwave. Place the tarts on a microwave-safe plate and heat on medium power for about 20-30 seconds. Be cautious not to overheat, as the custard can become too hot and the pastry might lose its crispiness.
For a quick stovetop method, use a non-stick skillet over low heat. Place the tarts in the skillet and cover with a lid. Heat for about 5-7 minutes, checking occasionally to ensure they don't burn. This method helps keep the pastry crisp while gently warming the custard.
If you have an air fryer, preheat it to 300°F (150°C). Place the tarts in the basket and heat for about 5-7 minutes. This method is great for maintaining the crispiness of the puff pastry while evenly warming the custard.
For a toaster oven, preheat to 350°F (175°C). Place the tarts on a baking tray and heat for about 10 minutes. This method is convenient and effective for small batches, ensuring the pastry remains crisp and the custard is warmed through.
Best Tools for This Recipe
Oven: Used to bake the tarts at the required temperature of 400°F (200°C).
Saucepan: Used to combine and cook the sugar, milk, heavy cream, and cornstarch mixture.
Whisk: Essential for whisking the mixture constantly to prevent lumps and ensure a smooth custard.
Muffin tin: Used to hold the puff pastry circles and shape the tarts while baking.
Rolling pin: Used to roll out the puff pastry to the desired thickness.
Round cookie cutter: Used to cut the puff pastry into 12 circles that fit into the muffin tin.
Mixing bowl: Used to combine the egg yolks and vanilla extract with the cooled custard mixture.
Measuring cups: Used to measure out the sugar, milk, and heavy cream accurately.
Measuring spoons: Used to measure out the cornstarch and vanilla extract accurately.
Cooling rack: Used to cool the tarts after baking to prevent them from becoming soggy.
Spatula: Used to transfer the custard mixture into the pastry shells.
How to Save Time on Making These Tarts
Prepare the filling in advance: Make the custard mixture the night before and store it in the fridge. This will save you time on the day of baking.
Use pre-rolled puff pastry: Opt for pre-rolled puff pastry to avoid the hassle of rolling it out yourself, cutting down on prep time.
Utilize a food processor: Blend the custard ingredients in a food processor for a smoother consistency and quicker preparation.
Preheat the oven early: Start preheating your oven as you begin your prep work to ensure it’s ready when you are.
Batch process: Cut all your pastry circles at once and line the muffin tin in one go to streamline the process.

Portuguese Custard Tarts Recipe
Ingredients
Custard
- 1 cup Sugar
- 1 cup Milk
- 1 cup Heavy Cream
- 1 tablespoon Cornstarch
- 6 Egg Yolks
- 1 teaspoon Vanilla Extract
Pastry
- 1 package Puff Pastry thawed
Instructions
- Preheat oven to 400°F (200°C).
- In a saucepan, combine sugar, milk, heavy cream, and cornstarch. Cook over medium heat, whisking constantly, until thickened.
- Remove from heat and whisk in egg yolks and vanilla extract. Set aside to cool.
- Roll out puff pastry and cut into 12 circles. Press into muffin tin.
- Fill each pastry shell with custard mixture.
- Bake for 20-25 minutes, until golden and set.
- Let cool before serving.
Nutritional Value
Keywords
Suggested Appetizers and Main Courses for These Tarts
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