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Keto Peanut Butter Cookies

Updated Jan 24, 2019Published Oct 29, 2017 By Julia 62 CommentsThis post may contain affiliate links.

These keto peanut butter cookies are very easy to make, with only 4 ingredients. Either almond flour or coconut flour can be used; the recipe lists the amounts for each. Since these cookies are flourless and sugar free, they’re great for ketogenic, low carb, and gluten free diets.

Here’s how simple and straightforward this recipe is: all you need to do is mix everything together, form into cookies, and bake. These cookies are crisp and crunchy on the outside, chewy and slightly soft on the inside — just like you would expect a peanut butter cookie to be. They are perfect as a healthy keto dessert or a snack on the go.

Stack of keto peanut butter cookies made with almond flour with a bite taken out

Almond Flour & Coconut Flour

This recipe was originally designed with almond flour, and I’ve recently adapted it for coconut flour. The respective measurements for each are listed in the recipe below. Both versions produce nearly identical cookies in terms of appearance, taste, and texture.

If you opt for coconut flour, the nutrition calculation is largely the same, with the net carbs per cookie identical and the calories reduced to 90 kcal per cookie.

It’s possible to make these cookies with only three ingredients by avoiding any flour, but I prefer using almond or coconut flour because it helps bind everything together with a nicer texture. Any kind of grainy flour-like ingredient will work, even finely ground flax meal, whey protein, or any other low carb alternative.

Collage of step by step photos showing how to make and shape low carb keto peanut butter cookies

Selecting a Sweetener

I use powdered erythritol, which is my preferred low carb sweetener because it has no effect on blood sugar or insulin. It’s a sugar alcohol that cannot be digested by the body, making it ideal for low carb desserts. It’s about 70% as sweet as sugar.

The recipe calls for powdered erythritol rather than granulated; I typically buy erythritol in granulated form and powder it using a Nutribullet blender. You can do the same, or buy already-powdered erythritol. Note that the same weight of granulated erythritol will result in a noticeably larger volume of powdered erythritol.

I’ve also provided the measurement for swerve confectioners, which is a powdered erythritol blend that measures the same as sugar. You can also use that value for any other powdered sweeteners that are also a 1:1 substitution for sugar.

Since using swerve means you would use a smaller amount compared to pure erythritol, the ratio of dry to wet ingredients in the recipe is different and you’ll end up with slightly moister cookies. You can compensate for this by baking for a few minutes longer than indicated in the recipe.

Forming ketogenic peanut butter cookies using a fork to press down

Selecting Peanut Butter

I use “natural” peanut butter, which typically means that it is made from only peanuts and salt, with no added sugars or other ingredients. Brands will differ on their wording, so your best bet is to read the ingredients label and only buy peanut butter made with just those 2 ingredients.

Another thing to look at is the net carbs per serving. My nutrition calculation assumes peanut butter with 4g net carbs per 2 tbsp serving, which is a good benchmark to aim for when selecting a brand of peanut butter.

very tall stack of low carb keto peanut butter cookies made using almond flour

Baking Tips

I provide volume and weight measurements for each ingredient in cups and grams, respectively. For best results, use the weight values if you have a food scale. I prefer using weight because it produces more consistent results. Not to mention, fewer measuring cups to wash!

These cookies won’t spread much as they bake. If you’re particular about their appearance, form your desired cookie shape, thickness, and size prior to baking. You can also have fun decorating the cookies however you wish — I use a fork to make a standard criss-cross pattern as I flattened each cookie.

The recipe provides a range of baking times, not only because ovens vary but because you may prefer softer or harder cookies. For softer, chewier, and more moist cookies, you’ll want to bake for a time on the shorter end. For harder, crisper, and drier cookies, bake on the longer end. I typically bake for 15 minutes.

Serving and Storing

These cookies are quite soft when they come out of the oven. Let them cool completely before serving, since they will harden as they cool.

After the cookies have completely cooled, store any leftovers in an airtight container or resealable bag. They’re best when consumed within a few days.

Baked keto peanut butter cookies with coconut flour on parchment paper

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Stack of peanut butter cookies, with a bite taken out

Keto Peanut Butter Cookies

4.4 from 24 votes
PRINT PIN RATE
Prep Time: 15 mins
Cook Time: 15 mins
Total Time: 30 mins
Servings: 18 servings
Calories: 100

DESCRIPTION

These keto peanut butter cookies are very easy to make, with only 4 ingredients. Either almond flour or coconut flour can be used; the recipe lists the amounts for each. Since these cookies are flourless and sugar free, they're great for ketogenic, low carb, and gluten free diets.

INGREDIENTS

  • 1 cup (260 g) creamy salted peanut butter
  • 1/2 cup (80 g) powdered erythritol sweetener or 6 tablespoons (60 g) confectioners swerve
  • 1/4 cup (28 g) blanched almond flour or 2 tablespoons (14 g) coconut flour
  • 1 (50 g) large egg

INSTRUCTIONS

  • Preheat the oven to 350 F.
  • Prepare a baking sheet lined with parchment paper or a baking mat.
  • In a mixing bowl, combine all ingredients and stir together until well-mixed. The resulting dough should be thick and dense.
  • Scoop about 1-2 tablespoons of dough and form into a small 1-inch ball, placing the ball onto the baking sheet. Repeat until the dough is used up, resulting in about 18 balls.
  • Arrange the balls on the baking sheet so that they are about 2 inches apart from each other. Flatten each ball by pressing down using a fork and rotating 90 degrees to press down again, forming a criss-cross pattern. Repeat for all balls until they are flattened.
  • Bake at 350 F for 12-15 minutes or until the edges of the cookies are browning.
  • Let the cookies cool before serving. They will be soft when they come out of the oven, and will harden as they cool. Yields 18 cookies.

NUTRITION

Makes 18 Servings
Amount Per Serving:
Calories 100  
Total Fat 8g 13%
   Saturated Fat 1g 6%
Cholesterol 10mg 3%
Sodium 70mg 3%
Net Carb 2g  
Total Carb 3.5g 1%
   Dietary Fiber 1.5g 5%
   Sugars 1.5g  
Protein 4g  
Vitamin A 0% · Vitamin C 0% · Calcium 1% · Iron 2%
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Filed Under: Low Carb & Keto Copycat Recipes, Low Carb & Keto Desserts, Low Carb & Keto Snacks, Low Carb & Keto Vegetarian Recipes, Under 5g Net Carbs Per Serving Tagged With: 0-30min, 1-5ingredients, almond flour, coconut flour, eggs, erythritol, gluten free, oven, peanut butter, vegetarian

About Julia

ABOUT THE AUTHOR
Julia is a low carb recipe developer and the founder of Savory Tooth. Her recipes attract over 1 million readers every month and have been featured in The Huffington Post, Parade, Yahoo, NBC Today, Country Living, and Reader's Digest. Learn more.

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Gayle

I’ve made these with both flours. Both are delicious, but I prefer the coconut flour. The almond flour cookies are a bit tougher, while the coconut flour cookies are melt in your mouth fantastic. The only change I made was using less sweetener. I only use 2-3 tablespoons because I like more peanut butter flavor and less sweet.

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23 days ago
Rose Mary Cagle

I made these excellent; only I used almond creamy peanut butter and used 1/4 cup sugar in the raw, I don’t like using artifical sweeteners, and I added 1 cup all natural chocolate chips! Delicious! A keeper.

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2 months ago
Katie

Made recipe as – is in mini muffin pan 13 min 🔥

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2 months ago
Leanne

Do you remove them from the cookie sheet to cool, or are they too fragile?

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2 months ago
Julia

They’re too soft after baking, so keep them on the cookie sheet to cool.

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2 months ago
Patti Harris

Just made these cookies with a couple changes:
3 TBS Swerve confectioners
3 TBS Swerve brown
1 TBS. melted butter
Really good, sweetness just right and not crumbly!

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3 months ago
Margaret

Can you use peanut butter protein powder instead of real peanut butter?

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4 months ago
Julia

Not a direct substitution, no. The peanut butter provides fat which helps combine the dough.

Reply
4 months ago
Jennifer

I thought they were a bit crumbly and dry, but my daughter liked them a lot. I followed the recipe to a T, but the coconut flour may have gotten more packed down than the author of this recipe had. So it could have been my error.

Reply
5 months ago
Julia

For best results, use the weight values if you have a food scale. Then it won’t depend on how you pack the coconut flour.

Reply
5 months ago
Monica

Has anyone tried these with an egg substitution like a flax egg?

Reply
6 months ago
Heather

These taste awesome, but I can’t seem to get them right. I’m following the recipe to a T and they’re so crumbly. I can’t even pick them up, even after they’ve completely cooled. Help?

Reply
7 months ago
Julia

Try measuring the ingredients by weight (g or oz), not volume (cups) which can be way off depending on how you pack the ingredient.

Reply
6 months ago
Brittany Leanza

12 minutes was way too long for my cookies- they were almost black before I realized they were actually burning. So after starting another batch- 7 minutes was perfect.

Reply
7 months ago
Julia

Could be that your oven is running hotter than mine (I have an oven thermometer that I use to verify the temperature). I wonder if you would have a different baking time if you used an oven rack positioned in the lower half of your oven.

Reply
7 months ago
Tasha

I left out the sweetener, the natural organic PB & Almond flour do enough! ❤️

Reply
8 months ago
Theresa

I don’t have POWDERED erythritol… Can regular erythritol be used instead? When I was baking non-keto PB cookies before, I always used regular sugar over powdered sugar.

Reply
8 months ago
Julia

Regular erythritol can have rather large granules, which don’t incorporate as well in dough, which can crystallize later and produce a “cooling effect” when eating them. To avoid these potential side effects, I recommend powdering regular erythritol using a small blender like a nutribullet.

Reply
8 months ago
Katie

These are so delicious and very simple to make!! My 6 year old never knew the difference

Reply
9 months ago
Cindy Butler

I loved this recipe. I even shared it with my family and many of them thought the cookies were even better than the real thing. By far, this is the best peanut butter cookie recipe I have ever used.

Reply
9 months ago
Sharyl

I made this recipe. It is very tasty. I am questioning the carb count. I used the carb counts from the ingredients and I came up with 6 net per cookie vs. the 2 in this recipe. Can’t you help me why my calculations are so different. Thanks!

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10 months ago
Julia

You’re not counting the erythritol, are you? Sugar alcohols are subtracted from total carbs, like fiber.

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10 months ago
Sid

My partner made these last night as soon as I came across the recipe, so simple to pull together and so tasty. We used ground almonds instead of flour and it worked just as well. Make sure you have patience and let them cool before you eat one, unlike I did, I couldn’t wait – they are so much sweeter when warm, perfect when cooled. Terrific recipe and can double up as a fat bomb 🙂

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10 months ago
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savory tooth is a food blog featuring delicious recipes for low carb meals. These recipes are easy-to-make and perfect for a keto lifestyle.

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