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oatmeal cookie sandwich with red white and blue sprinkles

Oatmeal Cookie Sandwiches

julieblanner
A chewy and soft oatmeal cookie with a delicious creamy frosting layer that's bursting with colored sprinkles for a spectacular treat!
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Total Time 1 hr 30 mins
Course Cookies, Dessert
Cuisine American
Servings 18

Ingredients
  

  • 1 cup salted butter, softened
  • ¾ cup packed brown sugar
  • ¼ cup granulated sugar
  • 2 large eggs
  • 1 tablespoon vanilla
  • 2 cups rolled oats
  • 2 cups all purpose flour
  • ½ teaspoon baking soda
  • ½ teaspoon baking powder
  • 1 ½ teaspoons salt
  • Colored sprinkles

Frosting

  • 1 cup butter, softened
  • ¾ cup shortening
  • 2 tablespoons vanilla extract
  • 4-5 cups powdered sugar

Instructions
 

Cookie Instructions

  • Preheat oven to 325 degrees.
  • In the bowl of a mixer cream together butter, both sugars, and vanilla until light and fluffy.
  • Add one egg at a time, mixing well between each egg.
  • When the mixture has become light and airy slowly add in the flour, salt, baking powder, and baking soda. Mix well.
  • Fold in the oats and colored sprinkles.
  • Roll dough into ¾ inch balls and place onto a baking sheet lined with parchment paper, approximately 1”-2” apart from each other. (For extra color on the top of your cookies you can dip the top of the dough ball into some sprinkles and gently pat them into the dough.)
  • Bake for 6-8 minutes, or until the edges are very lightly golden and the center is just set.
  • Remove from the oven and let cool.

Frosting Directions

  • Whip together the softened butter and shortening until combined.
  • Add 1 cup of the powdered sugar at a time, mixing until combined and scraping down the sides/bottom of the bowl each time.
  • Add the vanilla and mix the frosting on medium high speed for approximately 5 minutes.
  • Put your finished frosting into a piping bag (or zip lock bag and cut a corner). Set it aside until you are ready to assemble the sandwiches.

To Assemble the Cookie Sandwiches

  • Match your cookies into similar sized pairs. On the bottom side of your first cookie pipe a generous amount of the frosting, being sure to get all the way to the edges.
  • Take your second cookie and place it on top of the frosting to create a sandwich.
  • Repeat until all of the cookie sandwiches have been built.
  • Serve immediately or store in an airtight container

Notes

Tips
  • It is easy to turn these into full sized cookie sandwiches! All you need to do is make your dough balls larger 1”-1.5” in size should give you a good sized cookie sandwich!
  • You can roll the outside edges that have exposed frosting into anything you'd like, sprinkles, crushed candy bits, mini chocolate chips, or nuts!
  • The frosting is wonderfully soft and silky, but if you prefer a firmer frosting you can either add more powdered sugar or store your sandwiches in the fridge for an hour before serving.
Keyword Oatmeal Cookie Sandwiches, Oatmeal Cookies
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