Learn how to make keto peanut butter cups at home with just 5 simple ingredients: dark chocolate, peanut butter, your favorite low-carb sweetener, coconut oil, and a pinch of salt.
They’re easy to prepare, perfectly sweet, and great for a quick low-carb snack or sugar-free dessert that satisfies your chocolate cravings—without kicking you out of ketosis.
These keto peanut butter cups are the perfect sweet treat for anyone looking for a low-carb option that’s both satisfying and full of healthy fats. They’re creamy, chocolatey, and taste just as good as store-bought—without the added sugar.
One of the best parts? You can make them ahead of time. I love prepping a batch the night before, storing them in the fridge, and having a sweet, satisfying snack ready for the next few days—whether it’s a morning treat, afternoon pick-me-up, or post-dinner dessert.
I love the combo of peanut butter and chocolate, and I love to make recipes that include these two ingredients. So, if you are a fan of this combo, you must try my keto peanut butter brownies, peanut butter bars, keto peanut butter chocolate chip cookies, and peanut butter smoothie.
- 1 What Are Peanut Butter Cups?
- 2 Are Peanut Butter Cups Keto-Friendly?
- 3 Why You’re Going to Love This Low Carb Peanut Butter Cups Recipe
- 4 Ingredients For Keto Peanut Butter Cups
- 5 How To Make These Keto Peanut Butter Cups
- 6 How to Store Keto Peanut Butter Cups
- 7 Frequently Asked Questions
- 8 More Keto Peanut Butter Desserts
- 9 Keto Peanut Butter Cups
What Are Peanut Butter Cups?
Peanut butter cups are a popular candy made by filling a chocolate shell with smooth, sweetened peanut butter. The most well-known version is Reese’s Peanut Butter Cups, a classic store-bought treat loved for its creamy peanut butter center and rich chocolate coating.
In this keto-friendly version, we recreate that same delicious combination—without the added sugar or carbs—using simple, wholesome ingredients you can feel good about.
Are Peanut Butter Cups Keto-Friendly?
Traditional peanut butter cups—like the ones you find in stores—are typically not keto-friendly. They’re made with added sugar and contain a high amount of carbs, which can quickly kick you out of ketosis.
But the good news is, you can still enjoy this classic treat on a low-carb diet. With this easy keto peanut butter cup recipe, you get all the same chocolate-peanut butter flavor without the sugar. These homemade cups are low in carbs, sugar-free, and just as delicious as the originals—perfect for anyone following a keto lifestyle.
Why You’re Going to Love This Low Carb Peanut Butter Cups Recipe
- Super easy to make – No baking required and ready in just a few simple steps.
- Perfect for meal prep – Make a batch ahead of time and store them for the week.
- Taste just like Reese’s – Rich chocolate and creamy peanut butter, with all the flavor and none of the sugar.
- Low in carbs – Only 3g net carbs per serving, making them ideal for keto and low-carb diets.
- Naturally gluten-free and sugar-free – Made with clean ingredients that fit your lifestyle.
- Customizable – Add sea salt, chopped nuts, or coconut flakes for extra flavor and texture.
- Kid-friendly and adult-approved – A treat the whole family will enjoy.
- Better than store-bought – No preservatives, no hidden sugars—just homemade goodness.
These keto peanut butter cups are everything you want in a sweet treat: quick, satisfying, and low-carb.
Ingredients For Keto Peanut Butter Cups
You will need only a few easy ingredients that you probably have already in your kitchen to make this delicious low carb peanut butter cup recipe. Here is a list with everything you will need:
For The Chocolate Layer
- Dark Chocolate – use unsweetened dark chocolate of the best quality you can find for a great result.
- Coconut Oil – increases the fat content, giving that shine to the chocolate.
- Vanilla Extract – always use the best quality vanilla extract that you can find for a great flavor.
For The Peanut Butter Layer
- Peanut Butter – use room peanut butter to ensure good mixing.
- Coconut Oil – helps the peanut butter layer become extra creamy and rich.
- Sweetener – feel free to use any powdered sweetener that you like.
- Vanilla Extract
- Salt -to enhance all the flavors.
How To Make These Keto Peanut Butter Cups
These keto peanut butter cups are so easy to make that I prepare them in advance to ensure that I always have a sweet treat to enjoy when I have a sweet craving. So here is everything you have to do to enjoy them:
- Prepare a muffin pan and line it with parchment paper liners.
- Make the bottom chocolate layer. Fill each muffin cup with 2 tsp of the chocolate mixture. Transfer the pan to the freezer and freeze until firm.
- Meanwhile, make the peanut butter layer. Mix the peanut butter with the melted coconut oil, sweetener, and vanilla extract.
- Remove the pan from the freezer and add a tsp of peanut butter mixture over the chocolate in the middle of each cup. Freeze again.
- Once the peanut butter is firm, pour the remaining chocolate and return it to the freezer until firm.
- When they are ready, you can store them in the fridge.
How to Store Keto Peanut Butter Cups
- Fridge: Store your peanut butter cups in an airtight container in the fridge for up to 2 weeks. This keeps them fresh and firm.
- Freezer: For longer storage, freeze them in a freezer-safe bag or airtight container for up to 2 months.
- Tip: Remove from the freezer and let sit at room temperature for 5–10 minutes before eating for the best texture and flavor.
Frequently Asked Questions
What Type Of Peanut Butter Should I Use?
When it comes to peanut butter, you can choose to use a creamy one for a fine and creamy texture, or you can also use a crunchy one if you want your fat bombs to have a crispy texture.
Is Peanut Butter Keto-Friendly?
Peanut butter is a great keto-friendly ingredient that can be used in many interesting keto recipes. However, if you are a fan of peanut butter, you need to know that it is better to check the label before buying it to ensure that it doesn’t have any added sugar or additives that increase the number of net carbs.
More Keto Peanut Butter Desserts
- Keto Peanut Butter Brownies
- Keto Low Carb Peanut Butter Smoothie
- No-Bake Keto Peanut Butter Bars
- Keto Peanut Butter Chocolate Chip Cookies
Keto Peanut Butter Cups
Description
Ingredients
CHOCOLATE LAYER
- 1 cup dark chocolate sugar-free
- 2 tbsp coconut oil
- 1/2 tsp vanilla extract
PEANUT BUTTER LAYER
- 3/4 cup peanut butter creamy
- 1/4 cup sweetener powdered
- 1/2 tsp vanilla extract
- 1 pinch salt
Instructions
- Line a mini cupcake tin with parchment paper liners.
- Add chopped dar chocolate (or sugar-free chocoalte chips) and coconut oil to a microwve safe bowl. Melt until the mixture is pourable. Stir the vanilla extarcy.
- Pour about 1/2 tbsp of melted chocolate into the bottom of each cupcake liner. Freeze for 5-10 minutes or until it starts to harden.
- Meanwhile, make the peanut butter layer. Mix the creamy peanut butter, powdered sweetener, salt, and vanilla extract. If the mixture looks too thick stir in a tablespoon of melted coconut oil.
- Spoon a teaspoon of peanut butter mixture onto the center of each cup over the chocolate layer. Freeze for another 10 minutes until slightly firm.
- Pour the remaining chocolate into the cups over the peanut butter layer.
- Return to the freezer for at least 20-30 minutes until completely firm. Enjoy at room temperature.
How do we calculate the nutrition info?
These nutrition facts listed are determined using nutrition information from the USDA Food Database. Our nutrition facts are accurate, but if you are using different products, please make your calculations. Net carb count is calculated by subtracting both fiber and sugar alcohols because they don’t raise blood sugar.