Flourless peanut butter cookies are perfectly peanut butter-y, super soft and filled with a vanilla salted buttercream. You don’t want to miss out on these delicious peanut butter pillow cookies!
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Ingredients Needed for Peanut Butter Cookie Sandwiches:
- Creamy peanut butter – we will be using 1 cup of natural creamy peanut butter for this recipe
- Maple syrup – maple syrup is an all natural sweetener used to add a little sweetness to these cookies
- Egg – the egg helps bind all the ingredients together
- Vanilla extract – vanilla extract helps enhance the flavor of these cookies
- Baking soda – baking soda helps these cookies puff up a little bit
- Salt – don’t forget the salt! The salt helps enhance the flavor
Ingredients for the salted buttercream filling:
- Butter – we will be using butter for this filling. You can use salted or unsalted as we will be adding in more flaked sea salt
- Coconut oil – feel free to use more butter instead of coconut oil if you prefer
- Powdered sugar – using powdered sugar helps thicken up the filling and add sweetness
- Vanilla – in order to get a vanilla butter cream filling we will use 1 tsp of vanilla extract
- Flaked sea salt – adding flaked sea salt really enhances the flavor of this filling. I always love the sweet and salty combination.
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How to make flourless peanut butter cookies
- First, preheat your oven to 350 degrees and line two cookie sheets with parchment paper.
- Next, whisk together the maple syrup, egg, vanilla, baking soda and salt until fully combined.
- Now add in the peanut butter. Continue to mix until a thicker cookie batter forms.
- Use a cookie scoop and make 16 cookies. Place the cookies on the prepared cookie sheets and lightly press them down with a fork.
- Finally, bake the cookies for 8-10 minutes. Remove the cookies from the oven and let them fully cool while you prepare your filling.
How to make salted buttercream filling
- First, add the butter, coconut oil, vanilla and salt to a medium bowl. Whisk a few times.
- Second, add in 1 cup of powdered sugar. continue to mix until combined.
- Lastly, add in the remaining cup of powdered sugar. Mix until fully combined and the icing forms.
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How to store flourless peanut butter cookies
Store the cookies in an air tight container in the fridge for 4-5 days.
Let them sit out at room temperature for 15-20 minutes before enjoying so the cookie and the filling can soften up a bit.
Other peanut butter recipes you’ll love
If you’re a total peanut butter lover like me, definitely try some of my other peanut butter recipes below!
- The best peanut butter banana muffins
- My favorite peanut butter chocolate granola
- Delicious peanut butter chocolate brownies
- Easy, no bake peanut butter chocolate crunch bars
- 7 ingredient peanut butter cup cookies
- Paleo friendly caramel chocolate peanut butter pie
Flourless Peanut Butter Cookie Sandwiches with Salted Buttercream Filling
Ingredients
- 1 cup creamy peanut butter
- ¼ cup maple syrup
- 1 egg
- 1 tsp vanilla
- ¼ tsp baking soda
- ¼ tsp salt
Salted Butter Cream Filling
- ¼ cup coconut oil melted
- ¼ cup butter softened, almost melted
- 2 cups powdered sugar
- 1 tsp vanilla
- 1-2 tsp flaked sea salt
Instructions
- Preheat your oven to 350 degrees. Line two cookie sheets with parchment paper.
- First we'll make the cookies. In a large bowl whisk together the maple syrup, egg, vanilla, baking soda, and salt. Then stir in the peanut butter until fully combined and a somewhat thick batter forms.
- Using a spoon or a cookie scoop, scoop 16 cookies onto your tray. Using a fork, lightly flatten the cookies.
- Bake for 8-10 minutes. They may look slightly under cooked – thats ok! Let them sit on the tray to fully cool.
- Meanwhile, make your icing. In a medium bowl, add the very softened butter, coconut oil, vanilla and salt. Whisk a few times. Add in 1 cup of powdered sugar. Continue to mix until combined. Then slowly add in the remaining cup of powdered sugar.
- Once the cookies have cooled, assemble the cookie sandwiches.
- Store the cookies in the fridge until you're ready to enjoy them! Let them sit out at room temperature for 15-20 minutes before enjoying so the cookie and the filling can soften up a bit. You can store them in an airtight container in the fridge for 4-5 days.
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