Easy Keto Lemon Bars Recipes

Keto lemon bars are a light, sweet, and carb-friendly dessert that you can enjoy any time of day. Enjoy lemon bars for breakfast, for an afternoon snack, or dessert: anything goes with these delicious treats.

Make sure you prepare your bars using one of the keto-friendly recipes below, however. Classic lemon bars prepared with sugar can pack as many as 43g of net carbs per serving!

Are Lemons Keto?

You’ll be glad to know that lemons can be keto-friendly, as long as you watch how much you use per serving. Since you’ll only need a very small amount to catch that lemony flavor, you can still satisfy your desire for citrus fruit without compromising your keto diet.

Feel free to add one squeeze of lemon to your water, salad, or to any of the tasty recipes for low-carb lemon bars that follow. 

One tablespoon of lemon juice has 1.4g of carbs for approximately 4.35 calories.

Keto Lemon Bars

Recipe Nutritional Information (per serve) Time

1. Classic Keto Lemon Bars

  • 5g carbs
  • 10g protein
  • 26g fat
  • 292 calories

Prep time: 10 mins | Cook time: 55 mins

2. Monkfruit Keto Lemon Bars

  • 3g carbs
  • 0g protein
  • 10g fat
  • 200 calories

Prep time: 5 mins | Cook time: 30 mins

3. Protein-Packed Lemon Bars

  • 5g carbs
  • 8g protein
  • 14g fat
  • 161 calories

Prep time: 10 mins | Cook time: 30 mins

4. Fiber-Rich Keto Lemon Bars

  • 4g carbs
  • 6.5g protein
  • 15.6g fat
  • 178 calories

Prep time: 20 mins | Cook time: 55 mins

5. Simple Keto Lemon Bars

  • 3g carbs
  • 6g protein
  • 20g fat
  • 214 calories

Prep time: 10 mins | Cook time: 30 mins

6. Keto Lemon Cheesecake Bars

  • 3.4g carbs
  • 4.4g protein
  • 16.6g fat
  • 190 calories

Prep time: 20 mins | Cook time: 45 mins

7. Low-Fat Keto Lemon Bars

  • 4.3g carbs
  • 4.4g protein
  • 8.8g fat
  • 130 calories

Prep time: 40 mins | Cook time: 15 mins

8. 5-Ingredient Low-Carb Lemon Bars

  • 1.7g carbs
  • 3.8g protein
  • 12.9g fat
  • 144 calories

Prep time: 10 mins | Cook time: 50 mins

1. Classic Keto Lemon Bars

Keto lemon bars from 40Aprons
Image credit: 40 Aprons

This classic version of lemon bars is easy to prepare, and features a keto-friendly crust with almond flour and confectioner’s Swerve, topped with a smooth and lemony filling.

Each serving has 5g of net carbs, 26g of fat, 4g of fiber, and 10g of protein for 292 calories.

Get the full recipe at: 40aprons.com

2. Monkfruit Keto Lemon Bars

Keto lemon bars recipes from BTBK
Image credit: Better Than Bread Keto

Here’s a recipe for lemon bars that features monkfruit sweetener, egg yolks, melted butter, lemon juice, and xanthan gum. You’ll have a sweet filling with the texture of a traditional lemon tart, but without all the carbs!

Each serving has 3g of carbs and 10g of fat for 200 calories.

Get the full recipe at: betterthanbreadketo.com

3. Protein-Packed Lemon Bars

Protein packed keto lemon bars
Image credit: The Movement Menu

Coconut oil gives the crust of these lemon bars a creamy texture. For protein fans, collagen is also featured in this recipe to provide extra, though you can omit it if you wish – your bars will still be delicious!

Each serving has 5g of carbs, 8g of protein, 14g of fat, and 2g of fiber for 161 calories.

Get the full recipe at: themovementmenu.com

4. Fiber-Rich Keto Lemon Bars

monkfruit Keto lemon bars
Image credit: Real Balanced

These baked keto lemon squares feature ground sunflower seeds and shredded coconut, as well as monkfruit sweetener, eggs, and plenty of lemon juice. If you prefer lemon bars with a heartier texture that’s almost like a cereal bar, then these are the ones for you.

Each serving has 4g of net carbs, 15.6g of fat, 6.5g of protein, and 7.4g of fiber for 178 calories.

Get the full recipe at: realbalanced.com

5. Simple Keto Lemon Bars

Simple keto lemon bars
Image credit: Low Carb Love

Gelatin, lemon juice, lemon zest, butter, eggs, and xanthan gum are featured ingredients in these easy keto lemon bars that are creamy and smooth.

Each serving has 3g of net carbs, 20g of fat, 6g of protein, and 2g of fiber for 214 calories.

Get the full recipe at: lowcarblove.com

6. Keto Lemon Cheesecake Bars

Keto Lemon cheesecake bars
Image credit: All Day I Dream About Food

Everyone loves a good lemon cheesecake, and these bars won’t disappoint. The protein-rich filling has cream cheese, powdered Swerve sweetener, lemon juice, whipping cream, and eggs.

Each serving has 3.4g of carbs, 16.6g of fat, 4.4g of protein, and 1g of fiber for 190 calories.

Get the full recipe at: alldayidreamaboutfood.com

7. Low-Fat Keto Lemon Bars

Low Fat Keto Lemon Bars
Image credit: Keto Pots

These keto bars are lower in fat than many others, thanks to the egg-rich filling and light almond flour crust. You don’t need any unique sweeteners – if you don’t have Stevia, you can use your choice of low-carb, granulated sweeteners.

Each serving has 4.3g of carbs, 8.8g of fat, and 4.4g of protein for 130 calories.

Get the full recipe at: ketopots.com

8. 5-Ingredient Low-Carb Lemon Bars

5 ingredient keto lemon bars recipes
Image credit: Carb Manager

You’ll only need to gather 5 ingredients for this recipe for lemon bars: butter, almond flour, Swerve icing sugar replacement, lemon juice, and one raw egg. This is the perfect recipe if you’re in a hurry for dessert!

Each serving has 1.7g of net carbs, 12.9g of fat, 3.8g of protein, and 1.4g of fiber for 144 calories.

Get the full recipe at: carbmanager.com

Our Thoughts on Keto Lemon Bars Recipes

As long as you use a small amount of lemon juice per serving (as in the above recipes), you can enjoy the flavor of this delicious citrus fruit in your foods. Have fun creating your lemon bars!