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Oatmeal Sandwich Cookies- 2 chewy oatmeal cookies with a fluffy marshmallow filling.
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5 from 2 votes

Oatmeal Sandwich Cookies

Oatmeal Sandwich Cookies will take you back to childhood with a thick and creamy marshmallow center sandwiched between 2 chewy, soft oatmeal cookies.
Course Dessert
Prep Time 20 minutes
Cook Time 12 minutes
Total Time 32 minutes
Servings 4 dozen
Calories 194kcal
Author Christin Mahrlig


  • 1 1/2 cups shortening
  • 2 2/3 cups packed brown sugar
  • 4 eggs
  • 2 teaspoons vanilla extract
  • 2 1/4 cups all-purpose flour
  • 2 teaspoons ground cinnamon
  • 1 1/2 teaspoons baking soda
  • 1 teaspoon salt
  • 1/2 teaspoon ground nutmeg
  • 4 cups old-fashioned oats



  • Preheat oven to 350 degrees and lightly grease 2 baking sheets.
  • Using an electric mixer, cream shortening and brown sugar.
  • Add eggs, one at a time, beating well after each addition.
  • Add vanilla.
  • Combine flour, cinnamon, baking soda, salt, and nutmeg and add to mixture. Beat just until combined.
  • Stir in oats.
  • Drop batter by rounded teaspoonfuls onto prepared baking sheets. Place in oven and bake until golden brown, about 10-12 minutes. (You will have to bake multiple batches.)
  • Let cool on baking sheets 3 to 5 minutes and then remove to wire racks to cool completely.
  • To make filling, use an electric mixer to beat shortening, sugar, and marshmallow creme until smooth.
  • Beat in enough milk to get desired consistency.
  • Spread filling on the bottom of half of the cookies and top with remaining cookies.


Calories: 194kcal