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Keto Lemon Bars

These Keto Lemon Bars are a sugar-free and gluten-free version of the classic lemon dessert bars. A buttery shortbread covered with a delicious lemon custard topped off with sugar-free powdered sugar. This decadent low-carb dessert uses only 7 ingredients, has 3 grams net carbs per bar, and is sure to please!


Looking for more low carb and keto lemon dessert recipe ideas? Give this Keto Lemon Cake with Blackberry Mascarpone Frosting or Keto Lemon Thumbprint Cookies a try!

Closeup photo of a stack of four keto lemon bars on a white marble countertop.
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Lemon Herb Chicken Salad | Creamy Low-Carb Lemon Vinaigrette



Well, it is supposed to be Spring but you couldn’t prove it by me! It is cold, overcast, and drizzly here in Western Washington.

Duh, right?

What do you expect Bobbi? You live in Washington!

I know, I know, but this has been a long hard year and Mama just needs some sunshine, OK? Come on Mother Nature, help a sister out!

I have my seeds ready, my planting area ready, the Mr didn’t build my raised bed garden again this year, but I did my thing on the back deck last year so we will do that again.

Now, what could possibly put me into the spring frame of mind?

Lemon!

Anything and everything lemon just seems to list my spirits, and my taste buds and put me in a good mood. And babeeee these bars do the job!

Think buttery shortbread crust, with tangy lemon custard filling, and a sprinkle of powdered sweetener on top.

Yummmm sign me up for that!!


Overhead photo of the ingredients needed to make Keto Lemon Bars on a white marble countertop.

INGREDIENTS NEEDED TO MAKE KETO LEMON BARS

Detailed measurements and instructions can be found on the printable recipe card at the bottom of the page.

INGREDIENTS

Five photos of the process of making the shortbread portion of Keto Lemon Bars.

HOW TO MAKE KETO LEMON BARS

STEP 1
Preheat the oven to 350 degrees F.

STEP 2
Line an 8 x 8 baking dish with parchment paper.

STEP 3
In a large mixing bowl, using an electric hand mixer, beat together the butter, powdered sweetener, and pinch of salt until creamy and well combined.

STEP 4
Stir in the coconut flour until a dough forms.

STEP 5
Transfer the mixture into the lined pan and press into place.

STEP 6
Bake the shortbread crust for 10 minutes, or until golden. Remove from the oven and allow to cool for 30 minutes.

Six photos of the process of making the custard portion of Keto Lemon Bars.

STEP 7
In a separate mixing bowl, combine the softened butter, lemon zest, lemon juice, and powdered sweetener with an immersion blender or high-speed hand mixer. 

STEP 8
Once it is smooth, add your eggs, extra egg yolk, and mix well, before adding the coconut flour. Do NOT use an electric mixer here or you will over-beat the eggs and the topping will crack once baked. Use a hand whisk.

STEP 9
Bake for 20-22 minutes, or until the center is firm but still jiggles slightly.

STEP 10
Remove from the oven and let cool in the pan completely, before covering and placing in the refrigerator for at least 2 hours to overnight.

STEP 11
Once ready to serve, use a very sharp knife to cut into squares, sprinkle with extra powdered sweetener, and enjoy.

Photo of a glass cake stand holding several Keto Lemon Bars.

FAQS ABOUT KETO LEMON BARS

Do I have to use fresh lemon juice for these Keto Lemon Bars?
Yes, the stuff in a bottle doesn’t come close to the flavor you will get from using fresh lemon juice.
Do I have to use the lemon zest?
Again I will say yes, the lemon zest adds that little punch of lemon due to the oils in the skin. Just make sure to only zest the yellow part of the lemon rind and not the white flesh below it. That is the pith and can make your Keto Lemon Bars bitter.
How do I store my Keto Lemon Bars?

Lemon bars should be stored in the refrigerator, in an airtight container. Bars will keep well in the fridge for up to 2 weeks. If you want to freeze them place bars on a cookie sheet in the freezer. Once frozen store them in a ziplock bag in the freezer for up to 6 months. To eat thaw bars in the refrigerator overnight.

Closeup photo of a Keto Lemon Bar on a white marble countertop.

Last thoughts about Keto Lemon Bars

There is not much more to say about these Keto Lemon Bars.
If you love lemon like I do then I know you will love these lemon bars. I kinda feel like lemon is my gateway flavor to Spring and Summer being on the horizon so these bars sure make me a happy camper!
So with just a handful of ingredients, what are you waiting for? Get to the store so you can usher in that warm weather and sunshine.
Make sure to send some my way OK?

Extreme closeup photo of a Keto Lemon Bar on a white marble countertop.

MORE KETO AND LOW CARB LEMON RECIPES



Keto Lemon Bars -


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About Me

Welcome! It is so nice to meet you. My name is Bobbi. I am the Mom of 2 great kids, and Nana to a beautiful baby girl Kylee, and a handsome little devil named Torin. I share my life and home with my awesome partner Kevin, and 2 furbabies….

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