Go Back
Print Recipe
No ratings yet

Peanut-Butter Oatmeal Sandwich Cookies

Recipe adapted from Joy the Baker
Author: Samantha Ferraro



  • 1 stick 1/2 cup butter, room temperature
  • 1 cup brown sugar
  • 1 egg
  • 1 tsp vanilla
  • 1 1/4 cups uncooked oats
  • 1 cup all-purpose flour
  • 1/2 tsp baking powder
  • 1/2 tsp baking soda
  • 1/2 tsp salt
  • 1 tsp ground cinnamon
  • 1/4 tsp nutmeg


  • 3 Tbl butter room temperature
  • 1/2 cup smooth peanut butter
  • 1 cup powdered sugar
  • 1 tso vanilla
  • 3-4 Tbl milk


To make the cookies

  • First, pre-heat oven to 350 degrees and prep 2 non-stick baking sheets.
  • In a mixer, beat together sugar and butter until creamy. About 3-4 minutes. Add egg and vanilla extract and beat together until combined.
  • In a medium bowl, whisk together the oats, flour, baking powder, baking soda, spices, and salt.
  • Add the dry ingredients to the butter and egg mixture in batches while slowly beating on low speed until just blended.
  • Roll and portion about 1 large teaspoon of cookie dough into your hands and place on cookie sheet an inch apart.
  • Bake cookies for 10 to 12 minutes until lightly golden brown. Let cool on baking sheet for 5 minutes before filling.

To make the filling

  • In a mixer, mix together the butter, peanut butter and powderred sugar. Add in the vanilla extract and slowly add in milk, 1 tablespoon at a time until desired consistency. It should be easily spreadable.
  • When cookies are completely cool, spread peanut butter filling on flat side and sandwich similar sized cookie together.