These quick and easy keto peanut butter cookies are ultra soft, chewy, and absolutely impossible to resist!

I first made this keto peanut butter cookie recipe for a friend on a keto diet, but they turned out so well that I ate five cookies right out of the oven and ended up having to bake a second batch.

With just a few basic ingredients, and no flour or sugar required, they might just become your new favorite cookie recipe!

You may also like: Keto Brownies – the best recipe

No sugar

Low carb

Vegan

Flourless

Grain free

No cream cheese

Less than 1 net carb

Gluten free

This is one of those easy keto desserts that people who aren’t on a special diet enjoy too, because who doesn’t love peanut butter cookies???!

Since the recipe is egg free, you can eat the raw cookie dough while you bake, and if you’d prefer no bake peanut butter cookies, it’s fine to skip the baking step completely.

(See photo above of the unbaked cookies.)

Peanut Butter Cookie Ingredients

The flour:

I used almond flour (or almond meal) for these, which is not actually flour at all; it’s simply ground-up almonds that have been blended into a fine texture resembling flour.

If you prefer to use pecan flour, sunflower flour, or cashew flour, I think these would be fine but haven’t tried, so be sure to report back if you do experiment. Please also report back if you try subbing coconut flour – I think this could work as well, but you’d need much less flour (add just enough to form a dough), because coconut flour absorbs liquid like a sponge.

(For a recipe with regular flour, try these Vegan Peanut Butter Cookies.)

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The nut butter:

I’ve made both peanut butter and almond butter cookies from the cookie recipe, or you can use sunflower butter, pecan butter, cashew butter, macadamia nut butter, or this Keto Nut Butter for a low carb option.

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The sweetener:

For sugar free cookies, either powdered erythritol or a powdered monk fruit erythritol blend will both work well here.

If you don’t need the cookies to be suitable for a low carb or ketogenic diet, regular powdered sugar is also fine to use.

Stevia, maple syrup, allulose, and granulated sweeteners haven’t been tested in this recipe yet, so be sure to leave a comment if you experiment.

Also try these Chocolate Chip Keto Cookies

How to make perfect keto peanut butter cookies

Gather all of your ingredients, and grease or line a baking sheet with parchment paper.

Preheat the oven to 325 degrees Fahrenheit. If it’s not already soft and easily stir-able, gently heat up the nut butter until it’s runny.

In a mixing bowl, stir dry ingredients very well to ensure that the salt, sweetener, and baking soda are evenly incorporated.

Stir in the nut butter and milk of choice to form a dough. If your nut butter is unsalted, taste the batter to see if you want to add a little more salt to taste.

Roll into cookie dough balls, place on the prepared baking sheet, and press down with a spoon or fork. (I used a fork to get the classic peanut butter cookie lines.)

Bake on the oven’s center rack for 10 minutes. The cookies should still be underbaked and delicate when you remove the tray from the oven. Let them cool completely, because they will firm up as they cool.

Leftover cookies can be stored in a plastic container for soft and chewy cookies or in a glass container for crispy cookies. They can also be frozen to thaw and eat later.

Leftover almond flour? Make Keto Blueberry Muffins

Three Ingredient Peanut Butter Cookies

If you’re looking to make 3 ingredient keto peanut butter cookies instead of the recipe below, simply stir together 1 cup peanut butter, 1/2 cup granulated erythritol or sugar, and 1 egg or chia egg. (A flax egg will work but is more crumbly.)

Preheat the oven to 325 degrees F. Stir all ingredients to form a batter, shape into cookies, and bake on a parchment-lined cookie sheet for 10 minutes. Let cool completely to let them firm up before handling.

Above, watch the keto peanut butter cookie recipe video

More Easy Low Carb Desserts

Keto Cake

Fat Bombs

Or these Peanut Butter Fat Bombs

Keto Cheesecake

Keto Cupcakes

Keto Ice Cream

Keto Mug Cake Recipe