Keto Peanut Butter Cookies Recipe (Low Carb & 4 Ingredients)

These Keto Peanut Butter Cookies Recipes are soft, chewy, and made with just four simple ingredients. Perfect for anyone following a low-carb or keto diet, this quick recipe is gluten-free, sugar-free, and ready in under 25 minutes.

Ingredients

• 1 cup peanut butter (unsweetened, natural)
• ½ cup low-calorie sweetener (like Swerve®, Monk Fruit, or a Stevia blend)
• 1 large egg
• 1 teaspoon sugar-free vanilla extract
  

Directions

Step 1: 

Gather all your ingredients. Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper.

Step 2: 

In a medium bowl, combine the peanut butter, sweetener, egg, and vanilla. Stir until a smooth dough forms.

Step 3: 

Roll the dough into 12 (1-inch) balls and place on the baking sheet. Press each ball with a fork twice to create a crisscross imprint.

Step 4: 

Bake for 12–15 minutes, or until the edges begin to turn golden.

Step 5: 

Let the cookies rest on the baking sheet for 1–2 minutes, then transfer to a wire rack to cool completely.

Nutrition (Per Cookie)

• Calories: 133
• Fat: 11 g
• Carbs: 4 g (Net Carbs: approx. 2 g)
• Protein: 6 g
  

Why You’ll Love These Low-Carb Peanut Butter Cookies

• Just 4 ingredients—no flour, no added sugar
• Ready in under 25 minutes
• Keto-friendly, gluten-free, and sugar-free
• Soft, chewy texture with rich peanut butter taste
  

Tips & Variations

• Make Them Crunchy or Chewy – For a softer texture, bake for 12 minutes. For crispier cookies, let them bake closer to 15 minutes.

• Add Chocolate Flavor – Mix in sugar-free chocolate chips or drizzle with melted keto chocolate for a dessert twist.

• Nut Butter Swap – Try almond butter, cashew butter, or sunflower seed butter for a different flavor while keeping it low carb.

• Extra Flavor Boost – Add a pinch of cinnamon or a little unsweetened cocoa powder for variety.

• Topping Ideas – Sprinkle a little sea salt on top before baking to balance the sweetness.

• Make It Dairy-Free – These cookies are naturally dairy-free since no butter is used—perfect for multiple diets.

FAQs (Curated from common online questions)

Is peanut butter okay on a keto diet?
Yes—natural, sugar-free peanut butter is keto-friendly. A typical two-tablespoon serving has around 3 grams of net carbs

How many carbs are in these cookies?
Our recipe yields about 2–3 g net carbs per cookie, depending on your precise ingredients

Can I use a different nut butter?
Absolutely—unsweetened almond butter, sunflower seed butter, or other nut/seed butters work well as substitutes

Can I make these cookies ahead of time or freeze the dough?
Yes. You can refrigerate the dough for a day or two, or freeze cookie dough balls on a tray and store them for up to a few months

How should I store the baked cookies?
Store in an airtight container at room temperature—fresh for up to 2 weeks. Or refrigerate for a month, and freeze for up to 6 months

Conclusion

These Keto Peanut Butter Cookies Recipes prove that delicious treats don’t need flour or sugar to hit the sweet spot. With only four ingredients and minimal cleanup, they’re effortless to make, loaded with peanut butter flavor, and perfectly aligned with low-carb and keto diets. Give them a try next time you’re craving something sweet—you’ll love how simple and satisfying they are!