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Flourless Peanut Butter Cookie Sandwiches with Salted Buttercream Filling

Delicious cookie sandwiches - 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!
Prep Time10 minutes
Cook Time8 minutes
Course: Dessert
Cuisine: American
Keyword: Cookie sandwiches, flourless cookies, flourless peanut butter cookie, peanut butter cookie sandwich, peanut butter cookies
Servings: 8
Calories: 408kcal

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.

Nutrition

Calories: 408kcal | Carbohydrates: 44g | Protein: 9g | Fat: 24g | Saturated Fat: 10g | Trans Fat: 1g | Cholesterol: 21mg | Sodium: 272mg | Potassium: 252mg | Fiber: 2g | Sugar: 39g | Vitamin A: 42IU | Calcium: 37mg | Iron: 1mg