Air Fryer Sugar Free Lemon Slice and Bake Cookies (Keto, Nut Free)

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This easy Air Fryer recipe for Sugar Free Lemon Slice and Bake Cookies is perfect for when you just want a small batch of cookies. Oven directions are also provided. 

Slice and bake cookies are fantastic for those of us who want simple! Simple it is, with this recipe as no rolling out the dough is needed and no using a cookie cutter either. This easy technique has been around forever and even the novice keto baker can bake these. I adapted these lemon cookies from my vanilla wafer recipe that is also a slice and bake cookie. Roll the dough into a log, refrigerate and slice and bake in your AIR FRYER!! Oven directions are also provided, but the air fryer is perfect for when you just want to bake a few cookies and not a whole batch. Slice the dough and store between pieces of parchment paper then freeze. When you just want a couple of cookies, pull them right from the freezer and bake in your air fryer. 

Refreshing lemon flavors are always a welcome taste in the hot summer months, think lemonade, right?! These slice and bake sugar free lemon cookies have all the lemonade taste and none of the high carbs like traditional white flour cookies. Don’t fear using coconut flour, these do not at all taste like coconut. The lemon flavor is strong and overpowers any coconut flour taste. 

Stand Mixer– Easy way to mix your batter quickly!

Air Fryer- I have an extra large air fryer because we are a family of 5 and the basket is the perfect size.

Baking Sheet Pan –A large baking sheet pan is needed if you don’t have an air fryer and you are baking these in your oven.

Wire rack- Needed to cool the cookies completely before adding the icing.

The first batch of cookies I tried we set at 350 degrees in the air fryer and they browned way too much as you can see below from this photo. But now worries I just iced the entire cookie and my family still ate them. Next batch, I set the air fryer to 325 degrees and they were perfect! 

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Air Fryer Sugar Free Lemon Slice and Bake Cookies

Author BRENDA BENNETT/Sugar Free Mom


  1. Place the coconut flour, Swerve, baking soda and salt into a stand mixer and blend until combined.

  2. Add the softened butter to the dry ingredients and mix well until combined. Add remaining ingredients except the egg yolks. Taste the batter for sweetness and lemon flavor to your preference, add optional sweetener and/or lemon extract if needed. Then add the yolks and mix until combined.

  3. Place a large piece of plastic wrap on your counter and place the batter in the center. Roll the wrap over the dough and form into a log about 12 inches in length. Wrap tightly and place in the refrigerator for 2-3 hours or overnight.

Air Fryer Instructions

  1. Preheat the air fryer to 325 degrees. Grease the basket of the air fryer. Unwrap the log and cut half of the log into 1/4 inch sliced cookies. Place the remaining batter in the fridge. Place as many slices of cookies as you can in a single layer in the air fryer basket. I was able to fit 12 in mine. Cook for about 5 minutes or until the edges of the cookies are brown. Allow to cool in basket for 2 minutes before removing and cool completely on a wire rack. Repeat with remaining dough. Once cool, drizzle on icing.

Oven Directions

  1. Preheat the oven to 350 degrees F. Unwrap the log and cut into 1/4 inch slices of cookies. Place cookies onto a parchment lined baking sheet pan, about an inch apart. Bake for 8-10 minutes or until edges are brown. Allow to cool for 2-3 minutes before removing to a wire rack to cool completely before adding icing.


  1. Whisk the lemon juice and confectioners together in a small bowl. Drizzle over the cooled cookies.


  1. This dough can be made up to two days ahead and stored in the fridge. You can also slice and place between parchment paper then freeze in an airtight container for up to a month. When ready to bake, just grab a few and cook in the air fryer.

Recipe Notes

1 cookie= 1 net carb

Nutrition Facts

Air Fryer Sugar Free Lemon Slice and Bake Cookies

Amount Per Serving (1 cookie)

Calories 66 Calories from Fat 54

% Daily Value*

Fat 6g9%

Saturated Fat 4g25%

Cholesterol 35mg12%

Sodium 108mg5%

Potassium 2mg0%

Carbohydrates 2g1%

Fiber 1g4%

Sugar 1g1%

Protein 1g2%

Vitamin A 186IU4%

Vitamin C 1mg1%

Calcium 4mg0%

Iron 1mg6%

* Percent Daily Values are based on a 2000 calorie diet.

Blessings, Brenda

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