Imagine a cookie so delicate it practically evaporates the second it touches your tongue, leaving behind a trail of buttery bliss and a molten, caramel-colored hug.
That is the Alfajor.
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The first time I bit into one of these South American treasures, I stopped mid-sentence. The world went silent. All I could focus on was the puff of powdered sugar on my nose and the insanely rich, velvety dulce de leche oozing from the center. It wasn’t just a cookie; it was a religious experience in a pastry box.
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If you’ve been settling for dry, crunchy biscuits from a grocery store aisle, I need you to listen closely. We are about to elevate your snack game to the stratosphere. These are the **Dulce De Leche Alfajores** dreams are made of.
The Anatomy of a Cloud
What makes these cookies different from every other sandwich cookie on the planet?
It’s all in the cornstarch. While most cookies rely solely on flour, the alfajor uses a hefty dose of cornstarch to create a shortbread that is “short” in the best way possible. It’s crumbly, pale, and incredibly tender.
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Get It on Amazon Basics✔ Free Delivery | ✔ Top Rated | ✔ Budget-FriendlyBut here’s the kicker: the cookie itself isn’t overly sweet. It’s a purposeful, buttery canvas designed to highlight the star of the show—the dulce de leche.
When you learn **how to make Dulce De Leche Alfajores** at home, you realize you aren’t just baking; you’re engineering the perfect bite. It’s a balance of textures: the snap of the sugar dusting, the melt of the dough, and the chewy, decadent pull of the caramel.
The Flavor Makers
Before you start preheating, let’s talk about what you need to raid from the pantry. This isn’t a long list, but every player has a big role.
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Get It on Amazon Basics✔ Free Delivery | ✔ Top Rated | ✔ Budget-Friendly* **Cornstarch (Maizena):** This is the secret weapon for that signature “melted” texture.
* **All-Purpose Flour:** To give our clouds just enough structure to hold their shape.
* **Unsalted Butter:** Use the good stuff. Since the cookie is simple, the quality of the butter shines through.
* **Egg Yolks:** We’re skipping most of the whites to keep the dough rich and short rather than cakey.
* **Dulce De Leche:** You want the thick, “repostero” or baking style. If it flows like syrup, your cookies will slide apart like a bad science experiment.
* **Lemon Zest & Vanilla:** These provide the aromatic high notes that cut through the richness.
If you’re looking for more inspiration to pair with your baking spree, check out our other sweet treats and bakes to fill up your cookie jar.
The Science of the ‘Short’ Cookie
Ever wondered why some cookies are chewy and others are crumbly? It all comes down to gluten.
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Get It on Amazon Basics✔ Free Delivery | ✔ Top Rated | ✔ Budget-FriendlyWhen we mix flour with liquid, gluten strings form. Great for bread, terrible for alfajores. By swapping a huge chunk of the flour for cornstarch—which has zero gluten—we effectively “shorten” those strands.
The result? A dough that doesn’t stretch. It just shatters into delicious dust the moment you bite it. This is why we handle the dough like it’s a sleeping kitten. Gentle touches only! Overworking the dough is the fastest way to turn a cloud into a brick.

Let’s Get Cooking: The Step-by-Step
Ready to transform your kitchen into a Buenos Aires bakery?
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Get It on Amazon Basics✔ Free Delivery | ✔ Top Rated | ✔ Budget-Friendly1. The Creaming Phase
Start by beating your room-temperature butter with sugar until it’s pale and fluffy. This isn’t the time to be lazy—give it a solid 3-4 minutes. Add your egg yolks one by one, followed by the vanilla and that hit of lemon zest.
2. The Dry Dance
Whisk your cornstarch, flour, and baking powder together. Slowly incorporate this into the butter mixture. The dough will look a bit dry at first, but stick with it. Don’t add water! Just press it together until a smooth ball forms.
3. The Big Chill
Wrap that dough in plastic and let it nap in the fridge for at least an hour. This chills the butter and hydrates the starch, making it easier to roll out without sticking to everything you own.
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Roll the dough to about 1/4 inch thickness. Use a small circular cutter—keep them dainty! Bake at 350°F (175°C) for just 8-10 minutes.
PRO TIP: Do not let them brown! These cookies should stay pale, like they’ve never seen the sun. If the edges turn golden, you’ve gone too far.
5. The Assembly
Once cooled, grab a piping bag (or a spoon, we don’t judge) and dollop a generous amount of dulce de leche on one cookie. Press another on top gently. Roll the edges in shredded coconut if you’re feeling fancy, or just give them a heavy snowstorm of powdered sugar.
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Get It on Amazon Basics✔ Free Delivery | ✔ Top Rated | ✔ Budget-FriendlyDon’t Mess This Up: Common Pitfalls
Even the best bakers can stumble. Here is how to keep your **easy Dulce De Leche Alfajores** from becoming a kitchen tragedy:
* **The Warm Dough Disaster:** If your dough gets too warm while rolling, it will tear and stick. If you feel it getting floppy, shove it back in the fridge for 10 minutes.
* **The Over-Bake:** I’ll say it again: keep them pale! A brown alfajor is a crunchy alfajor, and we want melt-in-your-mouth magic.
* **The Caramel Slide:** If you use regular “ice cream topping” caramel, it will leak out the sides. You need the thick, spreadable dulce de leche.
Set the Scene: Serving Vibes
These cookies are the ultimate socialites. They belong at a sophisticated afternoon tea or a cozy rainy-day snack session.
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Get It on Amazon Basics✔ Free Delivery | ✔ Top Rated | ✔ Budget-FriendlyI love serving these with a strong, bitter coffee to balance the intense sweetness of the caramel. If coffee isn’t your speed, these are incredible alongside a refreshing fruit blend. For some killer beverage ideas, check out these vibrant drink recipes that pair perfectly with buttery pastries.
The best part? Alfajores actually get *better* the next day. The moisture from the dulce de leche seeps into the cookies, making them even more tender.
Frequently Asked Questions
How to freeze Dulce De Leche Alfajores?
You can freeze these easily! For best results, freeze the baked cookie shells in an airtight container for up to 3 months. When you’re ready for a treat, thaw them and then add the dulce de leche filling. If you freeze them fully assembled, they will still be delicious, but the cookie might soften a bit more than usual.
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Calories in Dulce De Leche Alfajores?
While it varies by size, a standard-sized Alfajor typically contains between 180 and 250 calories. They are a rich indulgence, so they are best enjoyed as a special treat!
Can I make the dulce de leche from scratch?
Absolutely! You can simmer a can of sweetened condensed milk (completely submerged in water) for about 3 hours. Just make sure the can is fully cooled before you open it, or you’ll have a caramel volcano in your kitchen.
Why are my cookies breaking when I sandwich them?
This usually happens if the cookies are too cold or if you’re being too aggressive. Let the cookies reach room temperature, and use a gentle twisting motion when pressing the two halves together to distribute the filling.
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Get It on Amazon Basics✔ Free Delivery | ✔ Top Rated | ✔ Budget-FriendlyHow long do they stay fresh?
Stored in an airtight container at room temperature, they’ll stay perfect for about 5 to 7 days. In fact, many people prefer them on day 2 or 3!
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The Final Crumb
There you have it—the blueprint for the perfect **Dulce De Leche Alfajores**. They are buttery, they are sweet, and they are guaranteed to make you the most popular person in any room you enter with a tray of them.
So, what are you waiting for? Get that cornstarch out, put on your favorite playlist, and start rolling. Your taste buds will thank you later. Happy baking!

Dulce De Leche Alfajores
Ingredients
Ingredients
- 1 cup unsalted butter softened at room temperature
- 0.75 cup powdered sugar plus more for dusting
- 2 tsp vanilla extract
- 2 cups all-purpose flour
- 1.5 cups cornstarch
- 2 tsp baking powder
- 0.25 tsp salt
- 3 tbsp milk
- 1 can (13.4 oz) dulce de leche or about 1 1/4 cups homemade
Notes
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