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Peanut Butter Oatmeal Sandwich Cookies

5 from 1 reviews

A homemade, baked from scratch “Nutter Butter” like sandwich cookie with peanut butter and oats sandwiched with a creamy peanut butter frosting.

Ingredients

Scale

Cookie:

1 cup softened butter

1/2 cup peanut butter

1 1/2 cups brown sugar

1/2 cup sugar

2 eggs

1 teaspoon vanilla

2 cups flour

1 teaspoon baking soda

1/2 teaspoon baking powder

1 teaspoon kosher salt

3 cups old fashioned oats

Filling:

1 cup peanut butter

1/2 cup softened butter

pinch of salt

1 cup powdered sugar

Instructions

Preheat oven to 350

Mix butter and peanut butter with both sugars until well incorporated.  Add eggs and vanilla.  Mix in the flour, baking soda and salt.  Stir in the oats.

Scoop cookie dough onto a parchment lined baking sheet leaving a two inches of space between each cookie.  Each scoop should be about a generous Tablespoon in size.  Bake the cookies for approximately 8 minutes until set and golden at the edges.  Allow to cool on the baking sheet for a few minutes before transferring to a rack to cool completely.

For the filling, mix the peanut butter, butter and salt until well incorporated.  Add in the powdered sugar and mix to create a spreadable frosting.

To assemble, spread a generous Tablespoon of peanut butter filling onto the flat side of one cookie, and top with an additional cookie to form a sandwich.

Notes

Avoid using a natural peanut butter that requires refrigeration after opening.  The natural oils can be problematic in baked goods and frostings.

This recipe calls for old fashioned rolled oats.  Using a quick cooking or instant oat will alter the texture.

I press lightly on the balls of cookie dough before baking- not to flatten, but just a bit to even them out.

Keywords: sandwich cookie, peanut butter, oatmeal