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Home » Recipes » Cookies and Bars

Canestrelli (Italian Egg Yolk Cookies)

Updated: Feb 13, 2025 · Published: Nov 15, 2022 by Kathleen Culver · This post may contain affiliate links · Leave a Comment

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Canestrelli are Italian butter cookies that are crispy, delicate and deliciously buttery. They're flavored with vanilla and lemon zest and are delectably melt in your mouth. These cookies have a surprise ingredient that helps keep them especially tender - hard boiled egg yolks! Once you try these, you'll be convinced. They're easy to make and so good!

Italian shortbread cookies on a white ceramic plate.

Biscotti canestrelli are a delicate shortbread style cookie that are typical in the northern Piedmont and Liguria regions of Italy. Traditionally, they are flower shaped cookies with a hole in the middle. They're flavored with vanilla and lemon zest, and have a wonderfully light and tender consistency.

Canestrelli are made with a unique ingredient - hard boiled egg yolks. Once hard boiled and pushed through a fine sieve into the dry ingredients, the small bits of egg yolk serve as a barrier to gluten formation. The development of gluten adds structure and chewiness to baked goods, which is great for pizza crust and hearty breads, but not for delicate cookies. You can read more about this old fashioned technique in Bon Appetit.

If you like the delicate, crumbly texture of these Italian canestrelli, you might also like these dulce de leche sandwich cookies, Argentine alfajores. For more cookie recipes using only egg yolks (though not hard boiled), check out my biscoff blondies and raspberry white chocolate blondies.

You can also explore my entire collection of cookie recipes here!

Jump to:
  • Ingredients
  • Instructions
  • Substitutions
  • Variations
  • Equipment
  • Storage
  • Frequently asked questions
  • More Cookies
  • 📖 Recipe
  • 💬 Comments

Ingredients

Labeled ingredients for Italian canestrelli cookies.
  • Hard boiled egg yolks - For richness and fat, and moisture to bring the dough together. Perhaps most importantly, the cooked egg yolks inhibit the formation of gluten that occurs when flour is mixed with wet ingredients.
  • All purpose flour - Flour binds the dough together. I highly recommend you use a digital scale to weigh your flour (and other ingredients!) When testing this recipe, just 15 grams (2 Tablespoons) too much flour was the difference between these cookies turning out dense and floury versus light and buttery.
  • Corn starch - A generous amount of corn starch replaces flour, which helps reduce gluten development and adds a light and tender texture.
  • Powdered sugar - Powdered sugar is much finer than granulated sugar and dissolves into the butter more easily. It creates a more tender, melt-in-your-mouth consistency in the cookies.
  • Lemon zest - Finely grated lemon zest adds bright citrus flavor. If you're making the dough in a mixer or by hand, mince the zest after grating so it's extra fine.
  • Kosher salt - for added flavor.
  • Unsalted butter - Make sure your butter is in small cubes and is well chilled. Using unsalted butter allows you to control the total amount of salt in the recipe. With salted butter, brands use different amounts of salt, so you're never sure where you're starting with salt quantity.
  • Vanilla extract - for additional flavor.

See recipe card for quantities.

Instructions

Learn how to make Italian canestrelli! These photos are to provide visual cues. Detailed instructions are included in the recipe card.

Dry ingredients and lemon zest for cookies.

To the bowl of a food processor, add the flour, corn starch, powdered sugar, lemon zest and salt.

Processed dry ingredients for canestrelli cookies.

Pulse briefly until dry ingredients are combined and zest is finely chopped.

Butter and flour in food processor.

Add butter and vanilla.

Butter cut into flour for butter cookies.

Pulse a few times until dough resembles coarse sand.

A spoon pressing hard boiled egg yolks through a strainer.

Using a spoon, push the egg yolks through a fine mesh sieve into the dough.

Cookie dough with strained hard boiled egg yolks.

Once finished, be sure to scrape the bottom of the sieve to loosen any yolk that remains stuck.

Finished canestrelli cookie dough.

Pulse briefly just until ingredients come together and begin to form clumps of dough.

A disc of canestrelli cookie dough on parchment.

Gather dough into a ball and turn out onto a rectangle of parchment paper. Briefly knead in any loose bits of flour.

Rolled out dough for canestrelli cookies.

Roll dough to a thickness of just under ½ inch / 10 milimeters.

Place rolled out, parchment covered dough on baking sheet in refrigerator to chill for 30 minutes.

Flower cookie cutouts on parchment paper.

Cut out cookies using flower shaped cookie cutter. Use one of the recommended tools to cut out the center circle. Chill cookies on pan in freezer for 5 minutes prior to baking.

Hint: When cutting out the flower shapes, press the cookie out of the cutter from the base so that you don't leave fingerprints or indentations on the top of the cookie. Flip onto parchment lined baking sheet and gently press flat to remove any curve from the cookie.

Bake up to 20 cookies at a time on parchment lined baking sheet on the middle rack of the oven for 16-17 minutes at 325 degrees Fahrenheit (165 degrees Celsius, Gas Mark 3.) Fully cool on baking sheet and dust generously with powdered sugar.

Hint: If you plan to stack the cookies in a container prior to serving (for transport, or if making in advance), don't add the powdered sugar yet. Sprinkle the cookies with powdered sugar just prior to placing them out on a platter.

Baked canestrelli cookies dusted with powdered sugar.

Substitutions

Corn starch - If needed, you can replace the corn starch with an equal amount of unmodified potato starch (affiliate link).

Make sure it's potato starch, not potato flour. Potato starch is made from the liquid of crushed potatoes. Potato flour is made from the whole potato and has a notable potato flavor and much more rustic consistency.

Variations

While lemon zest is the traditional flavoring for canestrelli, feel free to give one of these variations a try!

  • Citrus zest - Instead of lemon, add the zest of a whole orange, lime or grapefruit.
  • Almond - Add ¼ teaspoon almond extract to the dough along with the vanilla extract.
Italian butter cookies on a fluted plate.

Equipment

Canestrelli cookie cutter - This stainless steel flower cookie cutter set in 5 assorted sizes is the traditional 6 petal shape perfect for biscotti canestrelli. For this recipe, I used the second smallest cookie cutter (2 inches / 5 centimeters).

Extra large round pastry tip - To make the center hole in the flower cookies, I used the smaller end (the tip) of a Wilton 1A Round Decorating Tip. It measures ½ inch (1.25 centimeters) in diameter. See the FAQ section for other suggestions if you don't have this decorating tip.

Baking pans - I bake my cookies on half sheet baking pans which measure 18 x 13 inches.

Parchment paper is great for lining baking pans. The cookies won't stick at all if you use parchment underneath.

Microplane - A microplane grater is the perfect tool for grating lemon zest. It's also excellent for grating fresh ginger and spices such as nutmeg.

Storage

Store: Store these cookies in an airtight container at room temperature for up to a week.

Freeze: Place cookies in an airtight container in the freezer for up to 3 months. Defrost at room temperature prior to serving.

Make ahead: Discs of unbaked cookie dough can be wrapped in plastic wrap and stored in an airtight bag in the freezer for up to 1 month. Thaw dough overnight in the refrigerator, then bring to room temperature and follow instructions for rolling dough (start at step 5.)

Three flower shaped cookies on a white fluted plate.

Frequently asked questions

How do I make the center hole in the flower cookies?

If your flower cookie cutter does not come with a center hole built in (mine did not), you can use various kitchen items to cut out the small circle in the center. The circles I cut were about ½ inch (1.25 centimeters) in diameter. Here is a list of my suggestions:

The small end of a Wilton 1A Extra Large Round decorating tip (what I used, as I already have one. You can see it in the instruction photos.)

The large end of a small metal decorating tip

Extra small stainless steel round circle cutters (for baking, decorating and clay crafts)

A sturdy, extra wide metal straw, such as a boba straw

The narrow end of a funnel

Get creative! Other ideas include the caps of marking pens or the lid of a chapstick container (use a toothpick to remove the dough circle stuck inside.) If you use non-kitchen items, be sure to wash them well before use.

Can I make these canestrelli cookies if I don't have a food processor?

Yes! I also tested the recipe using a stand mixer. My biggest tip is to mix minimally to avoid activating the gluten. Less gluten = a more tender cookie.

You can also make this recipe by hand. When adding the butter, use a pastry blender or two knives to cut in the butter until it is extremely fine, like sand. After adding the egg yolk, use your hands to knead the dough until it gathers together and has a smooth consistency.

For both of the above methods, mince (very finely chop) the grated lemon zest with a chef's knife in order to have much smaller pieces. (With the food processor method, the blade chops the zest finely.)

A stack of butter cookies on a white ceramic plate.

More Cookies

If you like these Italian shortbread cookies, you might also enjoy these recipes:

  • Alfajores de maicena on a white speckled plate. One cookie is partially eaten, showing the dulce de leche filling..
    Alfajores de Maicena (Argentine Dulce de Leche Cookies)
  • Caramel pecan bars on a blue plate.
    Caramel Pecan Shortbread Bars
  • Nutella filled biscuits on a white speckled ceramic plate. A small bowl of Nutella rests nearby. A spoon of Nutella rests on the plate. The plate sits on a warm tan stone surface. More cookies and crumbs surround the plate.
    Nutella Biscuits
  • Glazed heart shaped cookies on a plate and a marble board.
    Strawberry Shortbread Cookies

Love this recipe? Please leave a comment and star rating. ★★★★★ Your feedback, suggestions, and adaptations are very helpful to other bakers!

📖 Recipe

Italian shortbread cookies on a white ceramic plate.
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Canestrelli (Italian Egg Yolk Cookies)

Canestrelli are Italian butter cookies that are light, airy, delicate and deliciously buttery. They're flavored with vanilla and lemon zest and are a wonderful melt in your mouth shortbread style cookie.
AuthorKathleen Culver
Prep time20 minutes minutes
Cook time16 minutes minutes
Chill time35 minutes minutes
Total time1 hour hour 11 minutes minutes
Servings32 cookies - 2 inch (5 centimeter) diameter
Prevent your screen from going dark

INGREDIENTS

  • 3 large egg yolks, hard boiled (cooking instructions included)
  • 135 grams (1 cup + 2 Tablespoons) all purpose flour
  • 96 grams (¾ cup) corn starch, sifted
  • 75 grams (½ cup + 2 Tablespoons) powdered sugar, sifted
  • lemon zest , from 1 lemon
  • 2 grams (½ teaspoon) kosher salt , (I use Diamond Crystal)
  • 156 grams (⅔ cup; 11 Tablespoons) unsalted butter
  • 1 teaspoon vanilla extract

INSTRUCTIONS

  • Place 3 large eggs in a medium sized sauce pot. Fill with water to 1 inch (2.5 centimeters) above eggs. Cover pot and bring to a boil. As soon as water boils, turn off burner and remove pot from heat (leave covered.) Set timer for 12 minutes. When timer goes off, drain eggs and place in cold water (or an ice bath) to stop cooking. Once cooled, peel eggs, separate white from yolks, and reserve yolks.
  • To the bowl of a food processor, add the flour, corn starch, powdered sugar, lemon zest and salt. Pulse briefly until dry ingredients are combined.
    135 grams (1 cup + 2 Tablespoons) all purpose flour, 96 grams (¾ cup) corn starch, 75 grams (½ cup + 2 Tablespoons) powdered sugar, lemon zest, 2 grams (½ teaspoon) kosher salt
  • Add butter and vanilla and pulse a few times until dough resembles coarse sand. Using a spoon, push the egg yolks through a fine mesh sieve into the dough. Once finished, be sure to scrape the bottom of the sieve to loosen any yolk that remains stuck.
    156 grams (⅔ cup; 11 Tablespoons) unsalted butter, 1 teaspoon vanilla extract, lemon zest, 3 large egg yolks
  • Pulse briefly just until ingredients come together and begin to form clumps of dough.
  • Gather dough into a ball and turn out onto a rectangle of parchment paper. Briefly knead in any loose bits of flour. Place an additional piece of parchment paper on top, and roll the dough to a thickness of a bit less than ½ inch (to be annoyingly precise, it's ⅜ inch / 10 milimeters).
  • Place rolled out, parchment covered dough on a baking sheet in refrigerator to chill for 30 minutes. Preheat oven to 350 degrees Fahrenheit (177° Celsius, Gas mark 4). Place rack in center of oven.
  • Peel back top sheet of parchment paper. Place back onto dough and flip dough over. Remove the (now) top sheet. Cut out cookies using 2 inch (5 centimeter) flower shaped cookie cutter. Use a wide straw (I used the small end of a Wilton 1A piping tip) to cut out the center circle. It measures ½ inch (1.5 centimeters) in diameter.)
  • Place cookies ½ inch apart on a parchment lined cookie sheet (I placed 20 cookies on a sheet in 4 rows of 5. They don't spread much). Roll scraps and cut out additional cookies as needed to make use of all dough. Chill cookies in freezer for 5 minutes (or refrigerator for 30 minutes) prior to baking.
  • Bake for 16-18 minutes, until cookies are set and barely turning golden on the foot. Don't touch them when they come out - they're very fragile when warm. They will firm up as they cool. Once fully cool, dust tops with a generous amount of powdered sugar.

EQUIPMENT

  • flower cookie cutters

NOTES

When cutting out the flower shapes, press the cookie out of the cutter from the base so that you don't leave fingerprints or indentations on the top of the cookie. Flip onto parchment lined baking sheet and gently press flat to remove any curve from the cookie.
If you plan to stack the cookies in a container prior to serving (for transport, or if making in advance), don't add the powdered sugar yet. Sprinkle the cookies with powdered sugar just prior to placing them out on a platter.
I highly recommend you use a digital scale to weigh your flour (and other ingredients!) When testing this recipe, just 15 grams (2 Tablespoons) too much flour was the difference between these cookies turning out dense and floury versus light and buttery.

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Hi! I'm Kathleen.

I'm the baker, food photographer and chief mess maker behind the Floured Table. I share my passion for delicious desserts by providing you with well tested, approachable recipes you can confidently recreate at home.

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