If you’re craving a sweet treat that fits perfectly into your low-carb lifestyle, this Keto Peanut Butter Cookies Recipe is about to become your new best friend. Think rich, nutty peanut butter combined with the gentle sweetness of erythritol and the delicate texture of almond flour, all baked into chewy, melt-in-your-mouth cookies that won’t derail your keto goals. These cookies strike the perfect balance between wholesome ingredients and indulgent flavor, making them a go-to snack or dessert that feels truly satisfying without any guilt.

Ingredients You’ll Need
Each ingredient in this recipe is simple yet vital for capturing that perfect keto-friendly cookie experience. From the creamy peanut butter that delivers richness and depth, to the finely ground almond flour that ensures a tender crumb, every component plays a role in crafting these delightful treats.
- Peanut butter (1/2 cup): Provides the primary flavor and healthy fats necessary for keto-friendly indulgence.
- Milk (1 tbsp): Moistens the dough; any variety works including dairy or plant-based options.
- Almond flour (2/3 cup): A low-carb flour alternative that keeps the cookies soft and gluten-free.
- Powdered erythritol (3 tbsp): A natural sugar substitute that adds sweetness without spiking blood sugar.
- Salt (1/8 tsp): Enhances the flavors and balances sweetness perfectly.
- Baking soda (1/8 tsp): Helps the cookies rise just enough for a great texture.
How to Make Keto Peanut Butter Cookies Recipe
Step 1: Prepare the Dry Ingredients
Start by preheating your oven to 325°F (163°C). In a medium mixing bowl, whisk together the almond flour, powdered erythritol, salt, and baking soda. This step ensures all dry ingredients are evenly distributed, which leads to consistent flavor and texture throughout your cookies.
Step 2: Combine Peanut Butter and Milk
Add the creamy peanut butter and your choice of milk to the dry mixture. Stir everything until a smooth, cohesive dough forms. The consistency should be just right for rolling into balls—not too sticky, but not dry either. If it feels crumbly, a tiny splash of milk can help bring it together.
Step 3: Shape Your Cookies
Roll the dough into approximately 12 equal-sized balls. Place them on a parchment-lined baking sheet, then gently press each ball down with your fingers or the back of a fork to flatten. This shape helps the cookies bake evenly and develop that classic peanut butter cookie look.
Step 4: Bake to Perfection
Bake the cookies for about 10 minutes. They might seem slightly underbaked when you pull them from the oven, but don’t worry. As they cool, they firm up beautifully, keeping the centers soft and chewy—exactly how a great peanut butter cookie should be.
How to Serve Keto Peanut Butter Cookies Recipe
Garnishes
Sprinkle a pinch of flaky sea salt on top just as the cookies come out of the oven to enhance the nutty flavor and add a delightful contrast. You can also add a few chopped peanuts for an extra crunch and visual appeal.
Side Dishes
Pair these cookies with a cup of hot tea or coffee for a comforting snack break, or serve alongside a small bowl of unsweetened whipped cream or a scoop of keto vanilla ice cream to turn them into a decadent dessert.
Creative Ways to Present
If you’re feeling festive, sandwich two cookies together with a layer of cream cheese frosting or sugar-free chocolate spread for a decadent keto cookie sandwich. Wrapping them individually in parchment paper with a ribbon makes for charming homemade gifts as well.
Make Ahead and Storage
Storing Leftovers
Store any leftover cookies in an airtight container at room temperature for up to a week. The cookies maintain their softness beautifully, but if you live somewhere humid, the fridge is also a good option.
Freezing
You can freeze these cookies for longer storage. Place them in a single layer on a baking sheet to freeze until firm, then transfer to a freezer bag or container. They’ll keep well for up to three months. Thaw overnight in the fridge before enjoying.
Reheating
To bring back that fresh-baked warmth, pop the cookies in a preheated oven at 300°F (150°C) for about 5 minutes, or microwave for 10-15 seconds. This softens them perfectly without compromising the texture.
FAQs
Can I substitute the peanut butter with another nut butter?
Absolutely! Almond butter, cashew butter, or even sunflower seed butter all work well in this Keto Peanut Butter Cookies Recipe. Just make sure the nut butter is smooth and unsweetened for best results.
Is powdered erythritol necessary or can I use granulated?
Powdered erythritol blends more smoothly in the dough, preventing any gritty texture. If you only have granulated erythritol, you can pulse it in a blender or food processor to powder it before using.
Can these cookies be made dairy-free?
Yes! Simply use a plant-based milk like almond, coconut, or cashew milk. The recipe is naturally free of dairy aside from the milk, so it’s quite flexible for dairy-free diets.
How can I make the cookies crispier?
For a crisper edge, flatten the cookies a bit more before baking and bake an extra 1-2 minutes, keeping a close eye to avoid burning. Cooling completely on a wire rack also helps maintain crispiness.
Are these cookies suitable for people with nut allergies?
This recipe relies heavily on almond flour and peanut butter, so it won’t be safe for those with nut allergies. However, you can experiment with seed flours and butters like sunflower seed butter, though results may vary.
Final Thoughts
There’s something truly special about a cookie that’s both delicious and fits into your keto lifestyle without compromise. This Keto Peanut Butter Cookies Recipe manages just that—effortless to make, wonderfully satisfying, and perfect for anyone looking to enjoy a treat that feels just right. Give it a try and watch these little bites of joy quickly become a cherished favorite in your recipe box!
Print
Keto Peanut Butter Cookies Recipe
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Total Time: 20 minutes
- Yield: Approximately 12 cookies
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Low Carb
Description
These Keto Peanut Butter Cookies are a low-carb, delicious treat perfect for those following a ketogenic diet. Made with almond flour and erythritol as a sugar substitute, they offer a rich peanut butter flavor with a soft, chewy texture. Quick and easy to prepare, they bake quickly for a satisfying snack or dessert without the guilt.
Ingredients
Dry Ingredients
- 2/3 cup finely ground almond flour
- 3 tbsp powdered erythritol
- 1/8 tsp salt
- 1/8 tsp baking soda
Wet Ingredients
- 1/2 cup peanut butter (or nut butter of choice)
- 1 tbsp milk (any variety)
Instructions
- Preheat Oven: Preheat your oven to 325°F (163°C) to prepare for baking the cookies.
- Mix Dry Ingredients: In a mixing bowl, combine the almond flour, powdered erythritol, salt, and baking soda thoroughly to ensure even distribution.
- Add Wet Ingredients and Form Dough: Add the peanut butter and milk to the dry mixture. Mix well until you form a consistent dough that can be rolled.
- Shape Cookies: Roll the dough into balls and flatten each one on a parchment-lined baking sheet to shape them into cookies.
- Bake: Bake the cookies for about 10 minutes until they are slightly underbaked; this ensures they remain soft and chewy as they firm up during cooling.
Notes
- Using peanut butter with no added sugar is recommended for keto compliance.
- These cookies will be soft right out of the oven but will firm up as they cool.
- You can substitute almond flour with other nut flours but expect slight texture changes.
- Store leftovers in an airtight container to maintain freshness.
- For a dairy-free option, use almond milk or other plant-based milk instead of regular milk.

