Thank you so much for being here, friend Truly—if there’s one low-carb treat I make again and again, it’s these favorite low-carb peanut butter bars. They’re soft, chewy, rich, and so satisfying that no one ever believes they’re keto… and the best part? No oven required.
These bars are the definition of effortless indulgence. Just mix, press, chill, and slice. I’ve brought them to family gatherings, packed them for road trips, and tucked them into the fridge for those late-night “just one bite” moments (we all know how that goes ).
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Overview of Keto Peanut Butter Bars
These no-bake bars are inspired by classic peanut butter squares—but reimagined with keto-friendly ingredients that keep carbs low and flavor high.
Why You’ll Love These Bars
- Only 2g net carbs per bar
- No baking required
- Soft, chewy, and ultra-satisfying
- Perfect make-ahead dessert
- Naturally gluten-free
What They Taste Like
Creamy peanut butter meets rich chocolate in a melt-in-your-mouth bar that’s lightly sweet, deeply nutty, and dangerously snackable.
Full Ingredient List (Complete & Detailed)
Peanut Butter Layer
- 1½ cups natural peanut butter (unsweetened, creamy)
- ½ cup powdered erythritol or monk fruit sweetener
- ¼ cup coconut flour
- ¼ cup unsalted butter, melted
- 1 teaspoon vanilla extract
- ¼ teaspoon salt (optional, if peanut butter is unsalted)
Chocolate Topping
- ¾ cup sugar-free chocolate chips
- 1 tablespoon coconut oil or unsalted butter
Tools You’ll Need
- Mixing bowl
- Spatula
- 8×8-inch baking dish
- Parchment paper
- Microwave-safe bowl or small saucepan
- Refrigerator
Substitutions & Add-Ins
- Swap peanut butter for almond butter
- Add chopped peanuts for crunch
- Sprinkle flaky sea salt on top
- Use dairy-free chocolate if needed
How to Make Keto Peanut Butter Bars
No oven. No stress. Just pure peanut-butter bliss
1. Prepare the Pan
Line an 8×8-inch pan with parchment paper.
2. Mix Peanut Butter Base
In a bowl, stir together peanut butter, sweetener, coconut flour, melted butter, vanilla, and salt until smooth and thick.
3. Press into Pan
Press mixture firmly into prepared pan and smooth the top.
4. Melt Chocolate
Melt chocolate chips with coconut oil until glossy and smooth.
5. Top & Chill
Pour chocolate over peanut butter layer. Chill 30–45 minutes until set.
6. Slice & Serve
Lift from pan, slice into bars, and enjoy!
What to Serve with Peanut Butter Bars
- Hot coffee or espresso
- Unsweetened almond milk
- Keto vanilla ice cream
- As part of a low-carb dessert board
Tips for Perfect Bars
- Use natural peanut butter (no added sugar)
- Press base firmly to avoid crumbling
- Chill fully before slicing
- Store chilled for best texture
Storage Instructions
- Refrigerator: Up to 7 days
- Freezer: Up to 2 months (slice before freezing)
- Room temperature: Not recommended
General Information
No-bake peanut butter bars are a classic American dessert, often made with oats and sugar. This keto version keeps the nostalgic flavor while ditching the carbs—proof that low-carb doesn’t mean low-comfort.
Frequently Asked Questions
Are these truly keto?
Yes! Only 2g net carbs per bar.
Can I make them dairy-free?
Absolutely—use coconut oil instead of butter.
Do they taste “keto”?
Not even a little They taste like the real deal.
Can I use crunchy peanut butter?
Yes, for extra texture.
Conclusion
These favorite low-carb peanut butter bars are rich, easy, and endlessly satisfying—the kind of recipe you’ll memorize after one try. They prove that keto desserts can be cozy, indulgent, and downright crave-worthy.
If you loved these, try these next:
- Protein Cookie Dough → https://poulef.com/protein-cookie-dough/
- Flourless Dark Chocolate Muffins → https://poulef.com/flourless-dark-chocolate-muffins/
- Creamy Custard Cheesecake (Keto-Friendly) → https://poulef.com/creamy-custard-cheesecake-keto/
- Oatmeal Cottage Cheese Cookies → https://poulef.com/oatmeal-cottage-cheese-cookies/
- Healthy Carrot Cake Baked Oatmeal → https://poulef.com/healthy-carrot-cake-baked-oatmeal/
Interactive Corner
Did you make these bars?
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Nutritional Information (Approx. Per Bar)
| Calories | Net Carbs | Protein | Fat | Sugar |
|---|---|---|---|---|
| 190 kcal | 2g | 6g | 17g | 0g |
9 Absolutely Irresistible & Guilt-Free Keto Peanut Butter Bars (Only 2g Net Carbs!)
- Total Time: 45 mins
- Yield: 12 bars 1x
Description
Soft, chewy no-bake keto peanut butter bars with rich chocolate topping and only 2g net carbs.
Ingredients
1½ cups natural peanut butter
½ cup powdered erythritol
¼ cup coconut flour
¼ cup unsalted butter, melted
1 tsp vanilla extract
¼ tsp salt
¾ cup sugar-free chocolate chips
1 tbsp coconut oil
Instructions
1. Line an 8×8 pan with parchment.
2. Mix peanut butter layer ingredients until smooth.
3. Press mixture firmly into pan.
4. Melt chocolate chips with coconut oil.
5. Spread chocolate over peanut butter layer.
6. Chill 30–45 minutes until set.
7. Slice and serve.
Notes
Use unsweetened peanut butter.
Store chilled for best texture.
Freeze well for meal prep.
- Prep Time: 15 mins
- Cook Time: 0 mins
- Category: Dessert
- Method: No-Bake
- Cuisine: American
Nutrition
- Serving Size: 1 bar
- Calories: 190
- Sugar: 0g
- Sodium: 95mg
- Fat: 17g
- Saturated Fat: 6g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 4g
- Protein: 6g
- Cholesterol: 20mg
Table of Contents
Gianna Poulef
I’m Gianna Poulef from Poulef Recipes. I love sharing perfected dishes from my kitchen. I’m sure they’ll earn a spot in your heart. Let’s savor this journey together!.
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