Keto Lemon Shortbread Cookies – Low Carb

These Keto Lemon Shortbread Cookies are a made with a versatile low carb shortbread dough that makes beautiful keto shortbread cookies, or the perfect low carb shortbread crust for a summer fruit tart or lemon meringue pie!

Stack of Keto Lemon Shortbread Cookies

These Keto Lemon Shortbread cookies are my new easy, “go to” keto cookie recipe – and once you try them you’ll understand why!

I wasn’t always a fan of lemon flavored desserts – in fact, as a kid I wouldn’t even eat them.  In my adulthood though, I’ve come to appreciate the brightness that lemon imparts to a dessert, especially in keto recipes – and now I can’t get enough of it.

I would even go so far as to say that when given the choice of lemon over chocolate, 75% of the time the lemon flavored dessert would win out. Crazy, I know – sometimes I can’t believe it either!

So maybe it’s due to all of the pastel colored foodie magazines showing up in my mailbox, and the promise of Spring and warmer weather just around the corner, but I’ve had lemons on the brain for weeks now.

Anyway, during my crazed obsession with all things lemon last week, I also made these awesome keto lemon shortbread cookies, and they did NOT disappoint!

Keto Lemon Shortbread Cookies on parchment paper

These keto lemon shortbread cookies require just four ingredients and have an addicting lemon flavor and crusty shortbread texture that I absolutely love!

Be sure to use a sweetener that is advertised to bake like sugar (I prefer granulated erythritol like Swerve, or a monk fruit and erythritol blend like Lakanto) and not a liquid sugar free sweetener or they may not hold together properly. 

Keto Lemon Shortbread Cookie with a bite taken out of it.

Also important is that you chill these keto lemon shortbread cookies before you cut them into cookies, otherwise they will crumble apart and be impossible to work with.

This versatile keto shortbread dough also makes a lovely low carb tart base or keto pie crust, which does not require pre-chilling.  You simply press it into your pan and bake it for 15 minutes.


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Stack of Keto Lemon Shortbread Cookies

Keto Lemon Shortbread Cookies

  • Author:
    Mellissa Sevigny

  • Prep Time:
    35 minutes

  • Cook Time:
    15 minutes

  • Total Time:
    50 minutes

  • Yield:
    1 large tart or 16 cookies (about 2 inches in diameter) 1x

  • Category:
    Keto desserts

  • Method:

  • Cuisine:

  • Diet:


Keto lemon shortbread cookies – but the dough also makes the perfect low carb shortbread crust for a summer fruit tart or lemon meringue pie!

  • 6 tablespoons salted butter
  • 2 cups superfine blanched almond flour
  • 1/3 cup granulated sweetener (Swerve & Lakanto are my favorites)
  • 1 teaspoon freshly grated lemon zest


To make the dough:

  1. Melt the butter in the microwave or a small saucepan.
  2. Add the almond flour, sweetener, and lemon zest, stirring until fully combined.

To make cookies:

  1. Gather dough into a ball (it will be crumbly at first, this is normal)
  2. Then form into a cylinder shape about 10 inches long and 1.5 inches in diameter ( and wrap tightly with plastic wrap to compress.
  3. Chill in freezer for 30 minutes or until firm, or in the refrigerator for 2 hours.
  4. When ready to bake, preheat oven to 350 degrees Fahrenheit. 
  5. With a sharp knife, slice into 1/2 inch thick cookies (if they crumble apart your dough isn’t cold enough) and place on a parchment-lined cookie sheet.
  6. Bake for 15 minutes, or until firm and golden brown.
  7. Allow to cool before removing.

To make a tart or pie crust:

  1. No need to pre-chill, just press dough into tart or pie tins.
  2. Bake in a preheated oven at 350 degrees (F) for 15 mins, or until firm and golden brown.


Approx nutrition info per 1/8th tart crust: 238 calories, 23g fat, 3g net carbs, 6g protein


  • Serving Size: 1 cookie
  • Calories: 119
  • Fat: 11g
  • Carbohydrates: 2g
  • Fiber: 1g
  • Protein: 3g

Keywords: Keto shortbread cookies, Keto lemon cookies, Low carb shortbread

Can’t get enough keto lemon dessert recipes? Me either! Check out this amazing collection of delicious low carb lemon recipes from some of our favorite bloggers!

A collection of the best keto lemon dessert recipes

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