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    Oatmeal Peanut Butter Sandwich Cookies

    clock-icon65 minutes
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    Pixicook editorial team

    Deliciously soft oatmeal cookies with a creamy peanut butter filling, perfect for dessert or a sweet snack.

    Ingredients for Oatmeal Peanut Butter Sandwich Cookies

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    units in
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    serves
    24 peoplechevron
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    24 peoplechevron

    Unsalted Butter, at room temperature

    cups

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    Creamy peanut butter

    cups

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    Granulated Sugar

    cups

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    Dark Brown Sugar, packed

    cups

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    Vanilla Extract

    teaspoons

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    Large egg

    each

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    All Purpose Flour

    cups

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    Baking Soda

    teaspoons

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    Baking Powder

    teaspoons

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    Sea Salt

    teaspoons

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    Quick-Cooking Oats

    cups

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    Confectioners’ Sugar

    cups

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    Flake Salt

    teaspoons

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    How to Make Oatmeal Peanut Butter Sandwich Cookies

    1. Preheat Oven and Cream Ingredients

    Preheat your oven to 350°F (180°C) and line a baking sheet with parchment paper. In a large mixing bowl, cream together the unsalted butter, creamy peanut butter, granulated sugar, dark brown sugar, and vanilla extract until the mixture is light and fluffy.

    2. Add Egg and Dry Ingredients

    Next, add the egg to the creamed mixture and beat well until fully combined. In a separate bowl, whisk together the all-purpose flour, baking soda, baking powder, and sea salt. Gradually add these dry ingredients to the wet mixture, stirring gently to combine.

    3. Fold in Oats and Bake

    Finally, fold in the quick-cooking oats to complete the cookie dough. Using a teaspoon, drop rounded portions of the dough onto the prepared baking sheet, leaving enough space for the cookies to spread. Bake in the preheated oven for 12 to 15 minutes, or until the edges are golden brown. Remove from the oven and allow the cookies to cool completely on a cooling rack.

    4. Prepare the Filling

    While the cookies are cooling, prepare the filling. In a medium bowl, use an electric mixer to beat together the room-temperature butter, creamy peanut butter, and confectioners’ sugar until smooth and creamy. If the filling is too soft, refrigerate it for about 30 minutes to firm up.

    5. Assemble Sandwich Cookies

    Once the cookies are completely cooled, spread a generous amount of the peanut butter filling on the flat side of one cookie and top with another cookie to create a sandwich. Repeat until all cookies are paired.


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