No. 49 · Dessert · Any · Intermediate

Alfajores

Cornstarch Shortbread Sandwiched with Coconut Dulce de Leche

Two parts cornstarch to one of flour makes discs that dissolve on the tongue, their seam an amber ring of coconut dulce rolled in shredded coconut.

18serves

8 h 10 mintotal time

1 h 26 minhands-on

12dishes

14 dmake ahead

Per serving ≈ 232 cal · 2g protein · 12g fat · 31g carbs

These are the cookies that never make it to the end of a gathering. Someone always circles back for a third. A porteña friend taught me the maicena version her grandmother made in Buenos Aires: pale, sandy discs that dissolve on the tongue, glued together with dulce de leche and hedged in coconut. You make a big tray, you set them on the table, and you watch the pile disappear while everyone talks over each other.

Cooking around gluten, wine, meat? Or bringing the dairy? tap to adjust

The Tools

Kitchen scale · The cornstarch-to-flour ratio is the whole cookie. Weigh, don't scoop
Stand or hand mixer + bowl
Rubber spatula
Fine-mesh sieve or sifter · Cornstarch clumps; sift it or you get chalky pockets
Rolling pin
2-inch round cutter (or a small glass)
Two sheet pans
Parchment paper
Wire rack
Baking dish or metal pie pan (for the dulce) (optional)
Larger roasting pan (water bath for dulce) (optional)
Whisk
Piping bag or small offset spatula
Shallow bowl (for the coconut roll)

✚ ends up in the sink · essentials unless marked optional

Coconut Dulce de Leche

Yields ~1 1/2 cups (enough for 18 sandwiches) Make 1-14 days ahead

Why this works Dulce de leche is milk and sugar cooked slowly until sugars and proteins brown: the same Maillard and caramelization that darkens a seared steak, run long and low until the milk turns amber and spoonable. The book cooks its dulce from coconut sweetened condensed milk, and the same chemistry runs: it browns into a real, thick, pipeable dulce that stays a shade paler and softer than the dairy classic. Because the finished sandwich is rolled in coconut anyway, the flavor lands like it was planned. A good jarred dulce is a legitimate shortcut that turns this into a weeknight project; coconut dulce jars exist, and the Argentine classic jar belongs to the dairy table. FOOD SAFETY: NEVER heat a sealed, unopened can. The classic 'boil the can' trick builds steam pressure inside sealed metal and cans have exploded and caused serious burns. Use the open water-bath method below: the milk is exposed, so no pressure builds. You want a filling stiff enough to hold a sandwich together without oozing, and coconut dulce leans on its chill for that; do not skip the cold rest.

2 cans (11.25 oz / 320g each; e.g. Nature's Charm) Coconut sweetened condensed milk · Coconut condensed, not coconut evaporated (a different product). With the lactose gone, one sandwich sits comfortably low-FODMAP; the coconut dose only stacks if you eat half the plate

Set the water bath 5 min hands-on

Oven to 425°F (220°C). Pour the coconut condensed milk into a baking dish or metal pie pan, stir in a small pinch of salt, and cover tightly with foil. Set that dish inside a larger roasting pan and pour hot water into the outer pan until it reaches halfway up the milk.

Take care Keep the waterline below the rim of the milk dish so bathwater can't slosh into the milk, and never let the bath run dry; top it up with hot water as it drops. A dry bath scorches the edges into bitter specks.
Bake to amber 8 min hands-on · 1 h 30 min wait

Bake 75 minutes to 2 hours. Every 30 minutes, lift the foil, whisk the milk smooth, and top up the bath; it browns unevenly from the edges in, and whisking pulls it back together. Judge by body as much as color: coconut dulce stays a shade paler than the old-penny dairy classic, so it's done when it's a deep amber-tan and coats the whisk thickly.

Look for Deep amber-tan, thick enough to mound on a spoon; it will look slightly looser hot than it sets cold.

Take care Chocolate-brown or smelling scorched means the heat ran too hard; it turns bitter and grainy past amber. Pull it the moment it hits color and body.
Whisk smooth and cool 3 min hands-on · 2 h 30 min wait

Whisk hard off the heat until glossy and lump-free, then let it cool to room temperature. Refrigerate at least 2 hours before filling. Coconut dulce firms in the cold and needs the chill more than the dairy version does; cold, it holds a pipeable paste that won't slump out of the sandwich.

Look for Cooled and chilled, it holds a soft peak on a spoon, like thick caramel frosting.

When it goes wrong

Problem	Cause	Fix
Grainy or bitter	Cooked past amber or bath dried out	No rescue once scorched; next time pull at amber-tan and keep the outer water topped up
Too runny to fill	Underbrowned or not chilled	Chill it hard; if still loose, cook 15 more minutes and re-chill. The cold does half the setting for a coconut dulce
Skin formed on top	Foil lifted or torn during baking	Whisk the skin back in while warm; it dissolves

The Cookies

Yields ~36 rounds (18 sandwiches) Make 0-2 days ahead

Why this works The signature is a high ratio of cornstarch to flour: here, two parts cornstarch to one part flour. Cornstarch is pure starch with no gluten-forming proteins, so it dilutes the flour's gluten and leaves the crumb short and sandy instead of chewy: less protein network means less structure to bite through, which reads on the tongue as that melt-away tenderness. The trade is fragility, so the dough is handled cold and worked as little as possible. Warm butter and overworking are the two ways to lose the texture, and a cultured plant stick creams and shortens exactly like the dairy block as long as it stays cool. The other rule is color: these bake only until set and stay pale ivory. Browning means overbaking, and an overbaked alfajor is dry and tastes toasted instead of buttery. Egg yolks (no whites) add fat and richness and bind the sandy dough without toughening it.

200g (about 1 2/3 cups), sifted Cornstarch (maicena) 200 g · The big number here is the point; sift out lumps
100g (about 3/4 cup + 1 tbsp) All-purpose flour 100 g
140g (10 tbsp), softened Cultured plant butter, stick-style 140 g · Softened but cool: pliable, not greasy or melting. Oat-based cultured sticks; tub spreads carry too much water and slacken the dough
90g (3/4 cup), sifted Powdered sugar 90 g · Powdered, not granulated; it keeps the crumb fine and dissolves fully
3 large, room temperature Egg yolks · Yolks only; save the whites for another use
1 tsp, fine Lemon zest · Or orange; a quiet brightness, not a lemon cookie
1 tsp Vanilla extract
1 tsp Baking powder · A whisper of lift so they set light, not dense. No baking soda: with no acid in the dough it turns soapy and raises the pH, which pushes browning, the one thing these cookies must not do
1/4 tsp Kosher salt

Cream butter and sugar 4 min hands-on

Beat the softened plant butter and powdered sugar on medium 2-3 minutes until pale and fluffy. You're not chasing volume, just a smooth, aerated base.

Look for Uniformly pale, light, and creamy: no gritty sugar dragging on the beater.
Yolks and aromatics 3 min hands-on

Beat in the egg yolks one at a time, then the lemon zest and vanilla. Scrape the bowl once. It looks like thick pale custard.

Take care If it looks curdled or split, your butter was too cold or the yolks straight from the fridge. Beat 30 seconds more and it comes together; it will still bake fine.
Sift and fold the dry 5 min hands-on

Sift the cornstarch, flour, baking powder, and salt together, then add to the bowl and mix on low just until a soft dough forms. Stop the moment it clumps into a mass.

Look for A soft, pale, slightly powdery dough that presses together. It feels different from cookie dough, more like play-clay.

Take care Overmixing works the little gluten there is and trades away the sandy melt for chew. Mix to just-combined and stop.
Chill the dough 2 min hands-on · 1 h wait

Press the dough into two flat discs, wrap, and chill at least 1 hour (or overnight). Cold dough rolls cleanly and holds its shape in the oven.

Take care Roll warm dough and it sticks, tears, and spreads into greasy edges. If it ever softens on you, put it back in the fridge.
Roll and cut 20 min hands-on

On a cornstarch-dusted surface, roll one disc to a scant 1/4 inch (6mm). Cut 2-inch (5cm) rounds and lay them on parchment-lined sheets. Gather scraps, chill briefly if soft, and re-roll. Aim for even thickness so pairs match.

Look for Rounds that are the same thickness edge to edge; uneven discs bake unevenly and won't pair.
Chill the cut rounds 2 min hands-on · 20 min wait

Slide the sheets into the fridge for 20 minutes. Cold rounds hold their edges and stay flat instead of spreading.
Bake pale 4 min hands-on · 24 min wait

Bake at 350°F (175°C), one sheet at a time, 9-11 minutes, rotating halfway. They should look dry and set on top but stay pale ivory. Bake the second sheet while the first cools.

Look for Tops matte and set, edges still pale, bottoms barely blond. They firm as they cool, so slightly underdone is right.

Take care Any tan color on the edges means overbaked: the cookie dries out and tastes toasted instead of buttery. Alfajores stay pale. Pull at the first sign of set.
Cool completely 2 min hands-on · 20 min wait

Let them firm on the sheet 3 minutes (they're very fragile hot), then move to a rack to cool fully before filling.

Take care Lift a hot alfajor and it crumbles in your fingers. Wait until fully cool and set.

When it goes wrong

Problem	Cause	Fix
Cookies spread and lost their shape	Dough too warm or butter over-softened	Chill dough and cut rounds harder; roll on a cool surface
Chalky or pasty aftertaste	Cornstarch not sifted, or underbaked	Sift the starch; bake the full time: set, but still pale, cooks the starch through
Cookies crack and crumble apart	Overworked dough or handled while hot	Mix to just-combined; let them set on the sheet before moving

Fill & Coconut

Yields 18 sandwiches Make 0-3 days ahead

Why this works Assembly is where the cookie earns its name: a generous swipe of dulce de leche pressed until it peeks out the sides, then that exposed rim rolled in coconut so every bite ends in a little chew and a little sweetness. Match cookies by size so the filling meets a clean edge all the way around. Filled alfajores soften slightly overnight as the cookie draws moisture from the dulce; many people prefer them on day two, when the whole thing has settled into one tender bite.

~1.25 cups, chilled and pipeable Coconut dulce de leche (from above)
1/2 cup (45g) Shredded unsweetened coconut 45 g · Fine shred or desiccated clings best; toast it lightly first if you like a deeper flavor
1-2 tbsp, for dusting Powdered sugar · Optional finish

Pair by size 5 min hands-on

Sort the cooled cookies into matched pairs, flat sides up. Set the better-looking half of each pair aside for the top.
Fill 8 min hands-on

Pipe or spread a scant tablespoon (about 15g) of cold dulce de leche onto the flat side of each bottom cookie, leaving a small bare margin at the edge; the sandwich will push it outward.

Look for A soft dome of dulce in the center, edges still clean.
Sandwich 6 min hands-on

Set the matching top on and press straight down with gentle, even pressure until the filling just reaches the rim all the way around. Don't press so hard it squeezes out in a gush.

Look for A continuous, even ring of dulce showing at the seam: no gaps, no blowout.

Take care These cookies snap under uneven pressure. Press flat with a fingertip on the center, not by pinching the edges.
Roll in coconut 6 min hands-on

Spread the coconut in a shallow bowl. Hold each sandwich by its flat faces and roll the exposed dulce rim through the coconut so it sticks in a neat band around the middle.

Look for An even coconut collar around the seam; the exposed filling is what the coconut grabs onto.
Dust and set 3 min hands-on · 10 min wait

Dust the tops with powdered sugar if you like, then let the filled cookies sit 10 minutes to settle before stacking. They keep in an airtight tin up to 3 days and are arguably better on day two.

When it goes wrong

Problem	Cause	Fix
Coconut won't stick	Filling pressed flush or too cold and stiff	Leave a hair more dulce peeking at the rim; let the assembled cookie sit a minute so the surface tacks up
Filling squeezed out everywhere	Too much dulce or pressed too hard	Scale back to two teaspoons and press gently and evenly
Cookies went soggy	Over-filled or stored warm	A little softening is the goal; if wet, use less dulce and store cool in a single layer

To the Table

Stack them in a low pyramid on a rustic plate or wooden board; height invites the first hand in.
Angle a few so the coconut collar and the ribbon of dulce show; that cross-section is the whole sell.
A light snow of powdered sugar over the top just before they go out.
Set them on the table early with coffee or mate and let people graze. They're a passing-plate cookie, not a plated dessert.

For the Cook Who Wants More

The Honest Ledger

Serves	18
Shopping	30 min
Hands-on (new to this)	2 h 18 min
Hands-on (comfortable)	1 h 48 min
Hands-on (experienced)	1 h 26 min
Waiting (same for everyone)	6 h 14 min
True total	8 h 10 min
You will dirty	12 dishes

Numbers are per finished sandwich (two cookies + filling + coconut). A third of the carbs are dulce de leche. These are a real dessert, not a light one. They are small on purpose; one is a taste, two is a decision.

Words We Used

Dulce de leche: Milk slowly cooked with sugar until it browns into a thick amber caramel; the soul of the alfajor and common across South America. The book cooks its dulce from coconut condensed milk, a shade paler and softer; the dairy classic returns with the upgrade.
Maicena: Spanish for cornstarch, and the nickname for this style of alfajor (alfajores de maicena) built on a high proportion of it.
Cornstarch tenderizing: Cornstarch has no gluten-forming protein, so replacing part of the flour with it dilutes the gluten network and leaves a short, sandy, melt-in-the-mouth crumb instead of a chewy one.
Water bath (bain-marie): Cooking a dish set inside a larger pan of water, so the gentle, even heat browns the milk without scorching and, with the dish open, without the pressure risk of heating a sealed can.

We Hunt We Gather · Vol. 1 · No. 49

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