Keto No-Bake Peanut Butter Bars

Keto No-Bake Peanut Butter Bars taste just like a peanut butter cup! Only 5 ingredients and a few minutes of prep is all it takes for this winning low-carb dessert!

Anyone else too hot to cook and would therefore prefer no-bake treats for the rest of summer? I see you.

These luscious hunks of sweet and savory bliss taste just like a Reese’s Peanut Butter Cup.

All we need to make these magical bars is creamy peanut butter (use unsweetened to keep it keto), unsalted butter, almond flour (to hold it all together), sugar-free confectioners sweetener, sugar-free chocolate chips, and a pinch of sea salt. No eggs, grains, baking or funny business.

If you love the combination of chocolate and peanut butter, also try my Keto Peanut Butter Edible Cookie Dough, Keto Peanut Butter Chocolate Pecan Turtles, and Keto Peanut Butter Buckeyes will scratch the surface. 

Why You’ll Love This Recipe

These peanut butter bars are everything that’s right with the world.

Salty, creamy, sweet, requiring so little time or energy, they’re a net MAJOR win…record-breaking high return on investment!

Just to line us all out, here are the main features of these peanut butter bars.

• Grain-Free
• Easy to make dairy-free
• Sugar-free and low-carb
• No-bake
• Egg-free
• Easy prep (15 minutes tops)
• Kid-friendly, kid approved

Let’s dive into the details of this peanut butter bars recipe because I have a sneaking suspicion they will be a hit in your heart and home. Starting with the basic ingredients!

Ingredients for No-Bake Peanut Butter Bars:

Unsalted Butter: Butter gives these peanut butter chocolate bars rich, creamy flavor. Swap it for coconut oil for a dairy-free option.

Almond Flour: Combined with peanut butter, almond flour ensures everything holds together. 

Sugar-Free Confectioner’s Sweetener: I prefer using powdered allulose or monk fruit sweetener. Stick with confectioners sweetener for the best texture, as its granulated counterpart turns out grainy.

This ingredient sweetens the bars while keeping them low carb and no added sugar. Most grocery stores carry an option or two!

Sugar-Free Chocolate Chips: For that sweet, sultry chocolate layer! Be sure to use a brand of chocolate chips that is sugar-free in order to keep the recipe low-carb.

Sea salt: To enhance the flavors!

The peanut butter layer gets stirred together and the chocolate layer gets melted for that amazing salty-sweet peanut butter and chocolate combo.

Recipe Customizations:

• If you don’t follow a low-carb ketogenic diet, feel free to replace the sugar-free confectioners sweetener with regular powdered sugar.
• Swap the sugar-free chocolate chips out for regular chocolate chips.
• Stir in 2 teaspoons of pure vanilla extract if you have it on hand.
• Swap out the peanut butter for almond butter if you prefer it.
• While the almond flour can be substituted for coconut flour, I haven’t tried this swap myself, so I’m not sure how much one would need. I would start with 1/2 cup, as coconut flour is very absorbent. 
• Toss crunchy peanuts on top for some added crunchy texture.

Now that we’ve covered the simple ingredients for these no bake peanut butter bars, let’s make them!

How to Make No-Bake Peanut Butter Bars:

Make the Peanut Butter Bars:

In a large mixing bowl, combine the peanut butter, melted butter, almond flour, sugar-free confectioners sweetener and sea salt. Stir well until completely combined. A thick dough will form. 

Line a 9” x 5” loaf pan or 8” x 8” cake pan with parchment paper (aluminum foil or wax paper works too!). 

Note: if you use a loaf pan, the bars will be very thick, which I think is fun, but a square cake pan makes bars that are more thinner…slash more reasonably portioned. 

Transfer the peanut butter mixture to the parchment-lined pan, and spread into an even layer.

Make the Chocolate Layer:

Microwave the chocolate and butter in a microwave-safe bowl for 20 second intervals, stirring well between intervals, until melted, about 40 to 60 seconds.

Pour the chocolate mixture over the peanut butter layer and freeze for 2 hours, or until the bars are set up.

When you’re ready to serve, remove the low carb peanut butter bars from the pan and transfer them to a cutting board. Use a sharp knife to slice desired sized bars. Enjoy!

Storage Tips

After the initial freeze, the bars will stay stable at room temperature; however, I recommend storing the bars in the refrigerator or freezer, as they will become very soft (and melty) at higher temperatures.

I don’t tempt fate in the summertime and simply keep them in the refrigerator or freezer in an airtight container.

That’s it! A little mix, a little pour n’ spread and you’re done! Share this easy keto dessert with your favorite people, make it a project for kids. At 1 net carbs per square, these low-carb treats are here to honor your sweet tooth without excess sugar.

Looking for more keto desserts? Try these out!

More Keto Dessert Recipes:

• Keto Cowboy Cookies 
• Low-Carb Protein Peanut Butter Cups  
• Keto Strawberry Crumb Bars  
• 5-Ingredient Low-Carb Cherry Crumb Bars  
• Keto Vanilla Ice Cream 

Imagine a world where someone didn’t think to combine peanut butter and chocolate. 

But then release yourself from that nightmare and make these Keto Chocolate Peanut Butter Bars!