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Keto Peanut Butter and Jelly Bars


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Tender and sweet, and reminiscent of your childhood! These delicious Keto Peanut Butter and Jelly Bars are a tasty low carb treat.

Keto Peanut Butter and Jam Bars on a red patterned plate over a red napkin.

 

Okay, hold up, hold up, hold up. I do not eat JELLY. I eat Jam. And really these are peanut butter and jam bars. But Google tells me that this is less recognizable to people. So there you have it. Majority rules.

But regardless of the great jelly or jam debate, these sweet keto bars are a must make. They bring together one of my all-time favorite flavor combinations. But unlike the popular sandwich, they have no added sugars and only a handful of carbs per serving.

Let’s get baking!

A stack of low carb Peanut Butter and Jelly Bars with a jar of sugar free jam in the background.

Why you will love these keto bars

I grow my own raspberries and I love to feature them in keto desserts. Some of my favorite recipes include Keto Cheesecake Brownies and Keto Victoria Sponge Cake. And the raspberry Sugar Free Sorbet is extremely popular in the warm weather.

For these bars, I created an easy keto jam using raspberries, sweetener, and a little thickener. And the dough for the crust is similar to keto peanut butter cookies. You press part of it into a pan, top with the filling, and crumble more dough on top.

Then you bake it to golden brown perfection. Super simple, super delicious, and only 3.8g net carbs per serving!

Ingredients you need

A green pint container full of fresh raspberries on a white wooden table.
  • Raspberries: You can use fresh or frozen raspberries. This also works with strawberries or blueberries!
  • Sweeteners: For best results with the jam, I recommend using some allulose along with other sweeteners. The bars do really nicely with my new keto brown sugar substitute.
  • Glucomannan: A little glucomannan or xanthan gum helps make the raspberry filling thicker so it doesn’t spill out of the bars.
  • Creamy peanut butter: Choose a sugar-free peanut butter to keep the carb count low. All natural peanut butters tend to separate, so blend it well before adding it to the batter.
  • Almond flour:  If you need to be nut-free, try replacing it with sunflower seed flour. You will need to add a tablespoon of lemon juice to offset the green reaction that sometimes occurs between sunflower seed flour and baking soda.
  • Collagen protein powder: This helps make the bars a bit gooier. You can skip it, but you will want to replace it with another ¼ cup almond flour.
  • Kitchen staples: Eggs, butter, baking powder, vanilla extract and salt .

Step-by-step directions

A collage of 6 images showing the steps for making Peanut Butter and Jelly Bars

1. Prepare the filling: Combine the berries, Swerve Confectioners, Swerve Allulose, and water in a medium saucepan over medium heat. Bring to a simmer and cook, stirring frequently, until the berries can be easily mashed with a fork. Stir in the glucomannan and set aside.

2. Melt the peanut butter: In a microwave-safe bowl, melt the peanut butter and butter together, stirring until smooth.

3. Make the dough: In a large bowl, whisk together the almond flour, sweetener, collagen powder, baking powder, and salt. Stir in the melted peanut butter mixture, the egg, and vanilla extract until well combined.

4. Prepare the bars: Press two thirds of the dough into the bottom of an 8×8 inch metal baking pan llined with parchment paper. Spread the raspberry filling mixture evenly over the crust. Take the remaining dough and crumble it over the filling.

5. Bake: Bake at 325ºF for 25 to 35 minutes, until the top is lightly browned. Remove and let cool completely, then lift out of the pan by the edges of the parchment. Cut into squares.

A stack of keto Peanut Butter and Jelly Bars with a bite taken out of the top one.

Expert tips

Lining the pan with parchment allows you to get the bars out more easily. You could just bake them right in the pan as well. Make sure to let them cool completely before cutting. You don’t want crumbly Keto Peanut Butter and Jelly Bars.

You can also use pre-made sugar free jam if you prefer. ChocZero has some lovely flavors, and the Chia Smash jam is pretty tasty as well.

I don’t recommend allulose for the crust of these bars, as it will make them overly soft and too brown. You can use the new Swerve Brown formula, as it only contains a little allulose. You can also use other erythritol-based sweeteners.

If you are looking to cut back on erythritol, trying using only half the amount, and then sweetening with some stevia or monk fruit extract.

Peanut Butter and Jelly Bars on a wooden cutting board with fresh raspberries around it.

Frequently Asked Questions

Is there such a thing as keto jelly?

There are a few good brands of low sugar jams and jellies that you can consume on a keto diet. You can also make something similar to jelly with low carb sweeteners and some thickener like glucomannan. I recommend using some allulose in your jelly to keep it from recrystallizing as it cools.

How many carbs are in a keto peanut butter and jelly bar?

This keto peanut butter and jelly bar recipe has 6g of carbs and 2.2g of fiber per serving. That comes to 3.8g net carbs per bar.

Can I freeze peanut butter and jelly bars?

You can store the bars in an airtight container at room temperature for up to 3 days. They will last for up to a week if you store them in the refrigerator. Wrap individual bars in foil or plastic wrap and freeze the bars for up to 3 months.

More delicious recipes you’ll love

Keto Samoa Cheesecake Bars

Keto Samoa Cheesecake Bars have a crisp chocolate crust, a creamy cheesecake center, and delectable coconut caramel topping. With only 5g net carbs per serving, they are the ultimate low carb treat for Girl Scout Cookie lovers!

GET THE RECIPE

A Keto Samoa cheesecake bar on a white plate over a striped napkin.
Keto Fluffernutter Bars

These tender keto blondies are packed with creamy peanut butter and marshmallows. A delicious low carb treat for anyone who ever loved Fluffernutters as a kid!

GET THE RECIPE

A Keto Fluffernutter Bar in front of a plate of more bars.
Keto Magic Cookie Bars

Keto Magic Cookie Bars! One of my all-time favorite treats now comes in a keto and grain-free recipe. Use my easy sugar-free condensed milk to make this classic dessert in a healthy form.

GET THE RECIPE

Close up shot of keto magic cookie bars on a wooden cutting board
A stack of keto Peanut Butter and Jelly Bars with a bite taken out of the top one.

Keto Peanut Butter and Jelly Bars Recipe

Tender and sweet, and reminiscent of your childhood! These tender Keto Peanut Butter and Jelly Bars are a tasty low carb treat.

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Course: Dessert

Cuisine: American

Keyword: peanut butter and jelly bars

Prep Time: 15 minutes

Cook Time: 30 minutes

Total Time: 45 minutes

Servings: 16 bars

Calories: 182kcal

Instructions

Filling

  • Combine the berries, sweetener, and water in a medium saucepan over medium heat.

  • Bring to a simmer and cook, stirring frequently, until the berries can be easily mashed with a fork. Stir in the glucomannan and set aside.

Bars

  • Preheat the oven to 325ºF and line an 8×8 inch metal baking pan with parchment paper.

  • In a microwave-safe bowl, melt the peanut butter and butter together, stirring until smooth.

  • In a large bowl, whisk together the almond flour, sweetener, collagen powder, baking powder, and salt. Stir in the melted peanut butter mixture, the egg, and vanilla extract until well combined.

  • Press two thirds of the dough into the bottom of the prepared pan. Spread the raspberry filling mixture evenly over the crust.

  • Take the remaining dough and crumble it over the filling. Bake 25 to 35 minutes, until the top is lightly browned.

  • Remove and let cool completely, then lift out of the pan by the edges of the parchment. Cut into squares.

Notes

Storage Information: You can store the bars in an airtight container at room temperature for up to 3 days. They will last for up to a week if you store them in the refrigerator. Wrap individual bars in foil or plastic wrap and freeze the bars for up to 3 months

Nutrition Facts

Keto Peanut Butter and Jelly Bars Recipe

Amount Per Serving (1 bar)

Calories 182
Calories from Fat 126

% Daily Value*

Fat 14g22%

Carbohydrates 6g2%

Fiber 2.2g9%

Protein 8.5g17%

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



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