These Sugar-Free Peanut Butter Cookies are a delicious, low-carb treat that satisfies your sweet tooth without any added sugar. Made with a sugar substitute and creamy peanut butter, they are soft, rich, and full of flavor. Whether you’re following a low-sugar diet or simply want a healthier option, these cookies are perfect for a quick snack or dessert.
Why You’ll Love This Recipe
These Sugar-Free Peanut Butter Cookies are easy to make and provide all the classic peanut butter flavor without the sugar overload. The recipe is incredibly simple, requiring only a few ingredients you likely already have at home. With a rich, nutty taste and a slightly crisp texture, these cookies will leave you craving more! They’re the perfect sweet treat that fits into a healthier lifestyle.

Ingredients
- 1 egg
- 1 cup Splenda or your favorite sugar substitute
- 1 teaspoon baking powder
- ½ teaspoon vanilla extract
- 1 cup creamy peanut butter
- 1 teaspoon water
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
Directions
- Preheat the Oven: Begin by preheating your oven to 350°F (175°C).
- Mix Wet Ingredients: In a mixing bowl, beat together the egg, sugar substitute, baking powder, and vanilla extract for about 1 minute, until the mixture is smooth and combined.
- Add Peanut Butter and Water: Add the creamy peanut butter and water to the mixture. Beat everything together until the peanut butter is well blended with the rest of the ingredients. The mixture may be a bit dry, but that’s okay; just ensure the peanut butter is thoroughly combined.
- Shape the Cookies: Use a teaspoon to scoop out heaping amounts of dough and place them onto a baking tray that has been sprayed with non-stick cooking spray or lined with parchment paper.
- Make Fork Indentations: Using a fork, gently press down on each cookie to create the classic peanut butter cookie pattern. Be sure to spray the fork with cooking spray to prevent it from sticking to the dough.
- Bake: Bake the cookies in the preheated oven for 12-15 minutes, or until the cookies are firm and lightly browned on the edges.
- Cool: After baking, transfer the cookies to a cooling rack and allow them to cool completely.
Servings and Timing
- Servings: This recipe makes about 12 cookies.
- Prep Time: 10 minutes
- Bake Time: 12-15 minutes
- Total Time: 22-25 minutes
Variations
- Sweetener: You can use any sugar substitute you prefer, such as Stevia, Erythritol, or Monk Fruit, depending on your taste and dietary preferences.
- Add-Ins: For extra flavor, consider adding sugar-free chocolate chips, chopped nuts, or a sprinkle of cinnamon to the dough.
- Peanut Butter Options: If you prefer crunchy peanut butter, feel free to substitute it for creamy peanut butter for an added texture.
Storage/Reheating
- Storage: Store the cooled cookies in an airtight container at room temperature for up to 5 days.
- Freezing: For longer storage, these cookies can be frozen for up to 2 months. Just place them in a freezer-safe container or bag, and thaw them at room temperature when ready to eat.
- Reheating: To warm them up, place cookies in the microwave for 10-15 seconds or reheat them in the oven at 300°F (150°C) for 5 minutes.

FAQs
Can I use other sugar substitutes besides Splenda?
Yes! You can use other sugar substitutes such as Stevia, Monk Fruit, or Erythritol. Make sure to adjust the amount based on the sweetener you’re using, as some are sweeter than others.
Can I use crunchy peanut butter instead of creamy?
Absolutely! If you prefer a bit more texture in your cookies, go ahead and use crunchy peanut butter. It will add extra crunch to each bite.
How can I make these cookies sweeter?
If you prefer a sweeter cookie, simply add more sugar substitute, or top the cookies with a small drizzle of sugar-free chocolate after baking.
Can I make these cookies vegan?
Yes! To make them vegan, you can substitute the egg with a flax egg (1 tablespoon flaxseed meal + 3 tablespoons water) and ensure your sugar substitute is vegan-friendly.
Do I need to chill the dough before baking?
No, there’s no need to chill the dough for this recipe. The dough can be baked immediately after mixing.
How can I prevent the cookies from sticking to the fork when making the indentations?
Spray the fork with a bit of non-stick cooking spray to prevent it from sticking to the dough.
Can I add chocolate chips to these cookies?
Yes! You can mix in sugar-free chocolate chips to add a chocolatey touch to these cookies.
Can I make these cookies in a larger batch?
Yes, simply double or triple the ingredients to make more cookies. You may need to adjust the baking time slightly if you bake multiple trays at once.
Are these cookies keto-friendly?
Yes, these cookies can easily fit into a keto diet, as they are low in carbohydrates and made without sugar. Just be sure to use a sugar substitute that is keto-friendly.
How do I know when the cookies are done baking?
The cookies should feel firm to the touch and slightly browned around the edges. Be careful not to overbake them, as they can become too dry.
Conclusion
These Sugar-Free Peanut Butter Cookies are a simple, tasty, and guilt-free treat. With just a few ingredients and minimal effort, you can create a batch of cookies that satisfy your sweet cravings without the sugar. Perfect for anyone following a low-sugar or low-carb diet, these cookies offer a delicious way to enjoy peanut butter in a healthier form. Enjoy them with a cup of coffee or as an afternoon snack!
Print
Sugar-Free Peanut Butter Cookies Recipe
- Total Time: 22-25 minutes
- Yield: 12 cookies
Description
These Sugar-Free Peanut Butter Cookies are a low-carb, sugar-free treat made with a sugar substitute and creamy peanut butter, perfect for satisfying your sweet tooth while staying healthy.
Ingredients
1 egg
1 cup Splenda or your favorite sugar substitute
1 teaspoon baking powder
1/2 teaspoon vanilla extract
1 cup creamy peanut butter
1 teaspoon water
Instructions
- Preheat the oven to 350°F (175°C).
- In a mixing bowl, beat together the egg, sugar substitute, baking powder, and vanilla extract for about 1 minute until smooth.
- Add the creamy peanut butter and water to the mixture, and beat until well combined. The mixture may be slightly dry, but make sure the peanut butter is well incorporated.
- Scoop out heaping teaspoonfuls of dough and place them on a baking tray lined with parchment paper or sprayed with non-stick cooking spray.
- Use a fork to press down on each cookie to create the classic peanut butter cookie pattern. Spray the fork with cooking spray to prevent sticking.
- Bake for 12-15 minutes, or until the cookies are firm and lightly browned around the edges.
- Let the cookies cool completely on a cooling rack.
Notes
- Sweetener options: You can use Stevia, Monk Fruit, or Erythritol, adjusting the amount based on sweetness preferences.
- For extra flavor, add sugar-free chocolate chips, chopped nuts, or a pinch of cinnamon to the dough.
- Use crunchy peanut butter instead of creamy for extra texture.
- Prep Time: 10 minutes
- Cook Time: 12-15 minutes
- Category: Dessert
- Method: Baking
- Cuisine: Low-Carb, Sugar-Free
Nutrition
- Serving Size: 1 cookie
- Calories: 100 kcal
- Sugar: 0 g
- Sodium: 90 mg
- Fat: 8 g
- Saturated Fat: 2 g
- Unsaturated Fat: 6 g
- Trans Fat: 0 g
- Carbohydrates: 4 g
- Fiber: 1 g
- Protein: 5 g
- Cholesterol: 20 mg