Free Printable: Low Carb and Keto Food List
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These Low Carb Keto Lemon Bars is a must spring dessert!With a creamy, sweet, tart lemon filling and a buttery shortbread crust, no one will believe these are Sugar Free Lemon Bars, anyone.as Magic Cookie Bars and Peanut Butter Barsthe layers of flavors keep every bite on top!
For an authentic crust and super smooth filling, I turn to Besti Monk Fruit Allulose Blend (crystalline and powder) this recipe. Because it measures like sugar but has 0g net carbs, it’s easy to make recipes like lemon bars keto friendly! This is especially important for fillings because, unlike other sugar substitutes, Besti dissolves completely and does not crystallize, which means the filling is super smooth and has no gritty texture.
I also use Wholesome Yum Almond Flour For a mouthwatering shortbread crust without the carb spikes from refined flours.

Why You’ll Love This Keto Lemon Bars Recipe
- rich, sweet
- Buttery Crust with Sweet Lemon Filling
- Easy to prepare with simple filling and crust ingredients
- 3 grams net carbs per bar
- Naturally dairy, gluten and sugar free
- perfect keto dessert Lemon lover!

ingredients you need
This section describes how to choose the best ingredients for sugar-free lemon bars, the role of each ingredient in the recipe, and substitution options. See recipe card below for measurements.
For the shortbread crust:
- overallesome Yum Almond Flour – by superfine grinding, which makes the butter crust indistinguishable from the white flour version.you might be able to substitute coconut powder, but I haven’t tested it, you need to add extra oil or eggs as coconut flour is drier.If you want to do this, it might help to use mine Coconut Flour Pie Crust Recipe as a starting point.
- Besti Monk Fruit Allulose Blend – other keto sweetener It should also work fine in the crust, but using this crystallized Monk fruit sweetener will keep it from getting too thick or dry as Besti locks in moisture. If you want to reduce the amount of different sweeteners needed, besti powder It should also work fine in the crust.
- sea salt – Balanced sweetness.
- coconut oil – Measure solid, then melt gently. Melted butter will work too.
- Egg – Use a whole large egg.A sort of flax eggs Might work as a substitute, but I haven’t tried it yet.
- vanilla extract – Use the highest quality extracts possible (this marvelous! ).
For the lemon filling:
- Besti Luo Han Guo Powder Allulose Blend – The sweetener used here is very important. Using anything grainy will give a grainy result, any liquid will stop the filling from setting, and many brands of powdered sugar substitutes will crystallize when cooled, resulting in a gritty texture. However, all I recommend here is the powdered Besti Powdered allulose OK too – you need to use 33% more.
- Wholesome Yum Almond Flour – Helps thicken the filling.
- Egg
- lemon juice – Fresh lemon juice makes a big difference here! bottled The juice still works, but it doesn’t taste as good.
- lemon peel – Enhances sour and lemony flavors. Don’t skip it!

How to Make Keto Lemon Bars
This section shows how to make lemon ketone bars, with step-by-step photos and details about the technique. See the recipe card below for full instructions.
- make stuffing. In a large mixing bowl, whisk together almond flour and Besti flour for filling. Add eggs, lemon juice and jam. shelved.
- Make the crust. Combine the almond flour, besti, and salt in a large bowl. Add oil, eggs and vanilla.


- according to. Press the shortbread dough into a square baking pan.
- bake. Place the crust in the oven until firm and golden brown.
- Add filler. Immediately after removing the crust from the oven, pour the prepared filling on top.


- Bake again. Bake until the filling is set but still soft.
- chill. Cool keto-friendly lemon bars completely on the counter without moving or cutting. Then, cover with plastic wrap and refrigerate for at least 2 hours to fully set before slicing.

Tips for the Best Keto Lemon Bars
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Storage Instructions
Be sure to make this low-carb lemon bars recipe ahead of time because they need time to set properly before you slice in them. I usually make them the day or night before serving so they have time to prep. Store in the refrigerator for up to 3-4 days (if they last that long!).
Can you freeze lemon bars?
Yes, you can freeze lemon bars. Cut them into cubes and place on a baking sheet. Freeze until solid, usually a few hours. Then, wrap them in plastic wrap and store in freezer bags or containers.
Thawing Instructions:
Thaw frozen lemon bars in the refrigerator overnight before serving.

More Keto Lemon Dessert Recipes
Love lemon-flavored tomato desserts? Next try these:
Readers’ Favorite Recipes
The recipe card is below! Readers who made this also checked out these recipes:
Keto Lemon Bars
With an almond shortbread crust and a tangy sweet lemon curd filling, this low-carb keto lemon bar recipe is perfect for spring. Easy Sugar Free Lemon Bars Only 7 Ingredients!
Prepare: 10 minute
chef: 28 minute
cooldown 2 Hour
All: 38 minute
Serving Size: 16 (Adjust the scale recipe)
raw material
Click on the underlined ingredients to see where to get them. Please turn off Safari reader mode to view ingredients.
instruct
Tap the time in the instructions below to start the kitchen timer while cooking.
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Preheat oven to 350°F (177°C).Wire 9×9 inch (23×23 cm) pan and parchmenthanging on both sides.
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Make the filling first because the crust has to be ready immediately when it comes out of the oven. In a medium bowl, whisk together the ground almonds and powdered sweetener.
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Add eggs, lemon juice and lemon zest and beat until smooth. shelved.
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To make the crust, combine the almond flour, sweetener and sea salt in a large bowl.
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Add melted coconut oil, then eggs and vanilla. The dough will be crunchy but can be pressed together.
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Press the dough into the lined pan.bake about 13 to 16 minutesuntil firm and golden.
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Remove the crust from the oven and immediately pour the filling over the crust.
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back to the oven 15 to 18 minutesuntil the filling is set but still soft.
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Cool completely on the counter without moving or cutting.Cover and refrigerate at least 2 hours before slicing.
recipe notes
serving size: 1 bar, or 1/16 of the whole recipe
nutrient content
Amount per serving. Serving Sizes in Recipe Instructions Above.
Calories 166
fat 14 grams
protein 6 grams
total carbohydrates 5 grams
net carbs 3g
fiber 2 grams
sugar 1 g
Nutrition Facts are provided as a courtesy. Have questions about the calculation or why you get different results?see our nutrition policy.
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