If you love the classic chocolate and peanut butter combination but want a low-carb version, these Keto Peanut Butter Cups are the perfect treat. They deliver the same rich flavor and creamy texture as traditional peanut butter cups but without the added sugar or carbs.
These homemade cups are made with natural peanut butter, sugar-free chocolate, and keto-friendly sweeteners. The result is a decadent dessert that satisfies sweet cravings while still fitting into a ketogenic lifestyle.
Best of all, this recipe requires no baking at all. With just a few simple ingredients and a little chilling time, you can enjoy a delicious low-carb dessert that tastes like a gourmet candy.
Why You’ll Love This Recipe
- Keto-friendly and low carb
- No-bake dessert
- Only a few simple ingredients
- Rich chocolate and peanut butter flavor
- Perfect for sweet cravings
- Easy to store and meal prep
Ingredients
- 1 cup natural peanut butter
- 1/3 cup powdered erythritol or keto sweetener
- 2 tablespoons coconut oil
- 1 teaspoon vanilla extract
- 1 cup sugar-free chocolate chips
- 1 tablespoon coconut oil (for melting chocolate)
- Pinch of salt (optional)
How to Make Keto Peanut Butter Cups
- Line a muffin tray with paper liners or silicone molds
- In a bowl mix peanut butter, powdered sweetener, coconut oil, and vanilla extract
- Stir until the mixture becomes smooth and creamy
- Spoon a small amount of melted chocolate into the bottom of each liner
- Freeze briefly until the chocolate layer sets
- Add a spoonful of peanut butter mixture on top of the chocolate layer
- Flatten the filling gently
- Pour another layer of melted chocolate over the peanut butter
- Freeze until the cups become firm
- Remove from molds and serve
Recipe Information
- Prep Time: 10 minutes
- Chill Time: 30 minutes
- Total Time: 40 minutes
- Servings: 10 peanut butter cups
- Cuisine: American
- Course: Dessert / Snack
Flavor Profile Breakdown
- Rich chocolate coating
- Creamy peanut butter filling
- Light sweetness without sugar
- Smooth and melt-in-your-mouth texture
- Slight nutty roasted flavor
Pro Tips for Best Results
- Use natural peanut butter without added sugar
- Choose good-quality sugar-free chocolate for better flavor
- Freeze each chocolate layer briefly for cleaner layers
- Use silicone molds for easy removal
- Add a pinch of salt to enhance the chocolate flavor
Variations & Substitutions
- Use almond butter instead of peanut butter
- Add crushed keto nuts for crunch
- Use dark chocolate for richer flavor
- Add coconut flakes to the filling
- Sprinkle sea salt on top for a salted version
Common Mistakes to Avoid
- Using peanut butter with added sugar
- Skipping chilling time which prevents the cups from setting
- Adding too much sweetener which affects texture
- Overheating chocolate when melting
- Making the peanut butter layer too thick
Serving Suggestions
- Serve as a keto dessert
- Enjoy as a quick snack
- Pair with coffee or espresso
- Add to keto dessert platters
- Serve chilled for best texture
Storage & Reheating Tips
- Store in refrigerator for up to 2 weeks
- Keep in airtight container
- Freeze for up to 3 months
- Allow to soften slightly before eating if frozen
Nutrition Information (Approximate)
- Calories: 180 kcal
- Protein: 5 g
- Carbohydrates: 4 g
- Fat: 15 g
- Fiber: 2 g
- Sugar: 1 g
- Sodium: 120 mg
Keto Peanut Butter Cups
Ingredients
Method
- Line a muffin tray with paper liners or silicone molds
- In a bowl mix peanut butter, powdered sweetener, coconut oil, and vanilla extract
- Stir until the mixture becomes smooth and creamy
- Spoon a small amount of melted chocolate into the bottom of each liner
- Freeze briefly until the chocolate layer sets
- Add a spoonful of peanut butter mixture on top of the chocolate layer
- Flatten the filling gently
- Pour another layer of melted chocolate over the peanut butter
- Freeze until the cups become firm
- Remove from molds and serve
Notes
- Protein: 5 g
- Carbohydrates: 4 g
- Fat: 15 g
- Fiber: 2 g
- Sugar: 1 g
- Sodium: 120 mg
Final Thoughts
These Keto Peanut Butter Cups are proof that low-carb desserts can still be incredibly indulgent. With their rich chocolate coating and creamy peanut butter center, they satisfy sweet cravings while staying keto-friendly.
They’re easy to make, require no baking, and are perfect for keeping in the fridge whenever a chocolate craving strikes.
FAQs
Are keto peanut butter cups truly low carb?
Yes, when made with sugar-free chocolate and keto sweeteners they remain low in carbohydrates.
Can I use almond butter instead of peanut butter?
Yes, almond butter works very well as a substitute.
Do these need to be refrigerated?
Yes, refrigeration helps keep the chocolate firm.
Can I freeze peanut butter cups?
Yes, they freeze very well for up to three months.
What sweeteners work best for this recipe?
Powdered erythritol or monk fruit sweetener work best.
