Alfajores: Dulce de Leche Sandwich Cookies

Alfajores are two small, light golden butter cookies sandwiched with dulce de leche and dusted with icing sugar. This is the cornstarch kind, often called alfajores de maicena, with a spoonful of cognac and a little vanilla in the dough. Move over, Oreo.

Two stacked alfajores and one broken in half on a white plate, pale cornstarch butter cookies sandwiched with dulce de leche and dusted with icing sugar
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Two stacked alfajores and one broken in half on a white plate, pale cornstarch butter cookies sandwiched with dulce de leche and dusted with icing sugar

Recipe

Alfajores

Prep
10 mins
Cook
30 mins
Total
1 hr 40 mins
Serves
12-20 pieces

Ingredients

Ingredients – there will be somewhere between 12-20 pieces depending on the thickness

Method

  1. Bring the butter and the sugar into a bowl and stir. With an electric mixer on low speed, beat the mixture until soft dough forms – stop occasionally and scrape the sides of the bowl.
  2. While the mixer is on – mix the corn starch, wheat flour, baking powder, baking soda and fine salt all together on a separate bowl.
  3. Add the egg yolks, cognac and vanilla extracts to the butter and sugar combination and mix well.
  4. Add the flour mixture slightly on to it and stir until no lumps of flour remain.
  5. Lay the dough flat on a piece of plastic wrap, pack it in and refrigerate for at least 1 hour.
  6. Turn on the oven. Set the temperature at 175 ° C.
  7. Place the dough on a floured surface of the table, sprinkle flour on top of the dough and roll it out in about ½ cm thickness.
  8. Cut the dough into 5 cm rounds and place them on the baking sheets lined with baking paper with approximately a thumb width intervals.
  9. Roll out the dough again, punch out, etc. until all dough is used.
  10. Bake the cakes in the oven for 12-14 minutes until they are light golden – if your cakes are thinner than ½ cm, reduce the baking time.
  11. Allow the cakes to cool completely. Add approximately 2 tsp. of dulce de leche and sandwich it in between two cakes.
  12. Sprinkle with icing sugar.

Step by step, in pictures

The recipe card above, in six stages, from creaming the butter to the final dusting of sugar.

  1. Line drawing of an electric hand mixer beating butter and sugar in a large bowl, with a spatula resting in the bowlCream the butter and sugar
  2. Line drawing of a whisk mixing dry ingredients in a bowl, with measuring spoons and a small bowl beside itMix the dry ingredients
  3. Line drawing of egg yolks pouring from a small cup into a bowl of creamed butter, next to a tall bottleBeat in the yolks, cognac and vanilla
  4. Line drawing of two hands folding plastic wrap over a flat round of dough before it goes in the fridgeWrap the dough and chill it
  5. Line drawing of a round cutter stamping circles from rolled dough, with cut rounds spaced out on a lined baking sheetCut 5 cm rounds and bake
  6. Line drawing of a spoon spreading dulce de leche on a cookie, beside a filled sandwich cookie being dusted with icing sugar from a sieveFill, sandwich and dust

What an alfajor is, and where it comes from

An alfajor is a sandwich cookie: two round biscuits held together by a sweet filling, most often dulce de leche. English-language recipes usually call them dulce de leche sandwich cookies. The name is older than the cookie – Wikipedia traces “alfajor” to Arabic by way of Andalusian Spanish.

Are alfajores Peruvian or Argentinian?

Both. The sandwich cookie is the form South America made its own, and Argentina, Peru, Uruguay, Chile and several other countries all have versions. Wikipedia describes the Argentine alfajor as two round biscuits of wheat flour or corn flour joined with dulce de leche, sometimes coated in chocolate, and cites a 2021 figure of six million eaten in Argentina every day. In Peru the filling is called manjar blanco.

What are Spanish alfajores?

A different sweet with the same name. In Spain an alfajor is a confection of honey, almonds, flour and spices rather than a filled cookie. The version from Medina-Sidonia in Andalusia has held protected geographical indication status since 2004.

Three things that make or break them

  • Sort out the dulce de leche first. Homemade dulce de leche takes about four hours and has to cool before it can be spread, so start it well ahead – or skip the wait with a ready-made jar.
  • Go easy on the filling. The cookies have a light, delicate flavour, and too much dulce de leche drowns it. About two teaspoons per pair is enough.
  • Thickness decides the yield. Rolled at about ½ cm the dough gives 12 to 20 pieces. Roll it thinner and you get more, but they bake faster, so check the oven early.

Quick answers about alfajores

Are alfajores like macarons?

They look alike but are made differently. Both are filled sandwich cookies, but a macaron shell is made from almond flour and egg white, while these cookies are a butter dough of cornstarch, wheat flour and egg yolks.

What does an alfajor taste like?

Sweet and caramel-like from the dulce de leche, around a delicate, buttery cookie. This version also has a little cognac and vanilla in the dough.

Two stacked alfajores and one broken in half on a white plate, pale cornstarch butter cookies sandwiched with dulce de leche and dusted with icing sugar

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