Oatmeal Sandwich Cookies Recipe

Nostalgic and irresistible, these Oatmeal Sandwich Cookies are a family favorite! Chewy oatmeal cookies filled with a creamy marshmallow frosting – a perfect sweet treat for any occasion. Get ready to bake up a batch of pure deliciousness!

Prep Time 20 mins
Cook Time 72 mins
Calories 203.3 kcal
Protein 4g
Rating Be the first
Oatmeal Sandwich Cookies 35

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Oatmeal Sandwich Cookies

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How to Make Oatmeal Sandwich Cookies

  1. Preheat oven to 350°F (175°C). Line baking sheets with parchment paper.
  2. In a large mixing bowl, cream together 1 cup shortening and 1 ½ cups packed brown sugar until light and fluffy.
  3. Beat in 2 large eggs, one at a time, mixing well after each addition.
  4. Stir in 1 teaspoon vanilla extract.
  5. In a separate bowl, whisk together 3 cups all-purpose flour, 1 teaspoon ground cinnamon, 1 teaspoon baking soda, ½ teaspoon salt, and ¼ teaspoon ground nutmeg.
  6. Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
  7. Stir in 3 cups rolled oats.
  8. Drop rounded teaspoonfuls of dough, about 2 inches apart, onto the prepared baking sheets.
  9. Bake for 10-12 minutes, or until golden brown.
  10. Remove from oven and let cool on baking sheets for a few minutes before transferring to wire racks to cool completely.
  11. While cookies cool, prepare the frosting: In a medium bowl, cream together ½ cup granulated sugar and 1 cup shortening until light and fluffy.
  12. Beat in 1 cup marshmallow creme.
  13. Gradually add 2-4 tablespoons of milk, mixing until you reach a smooth, spreadable consistency.
  14. Once cookies are completely cool, spread a generous amount of frosting on the flat side of half of the cookies.
  15. Top with the remaining cookies to create sandwich cookies.
  16. Enjoy your delicious homemade Oatmeal Sandwich Cookies!

Nutrition Information (Approximate per serving)

Sodium

3 g

Sugar

75g

Fat

11g

Carbs

9g

Frequently Asked Questions

How long does it take to make Oatmeal Sandwich Cookies?

Oatmeal Sandwich Cookies takes about 92 minutes from start to finish — roughly 20 minutes to prepare and 72 minutes to cook.

How many calories are in Oatmeal Sandwich Cookies?

Oatmeal Sandwich Cookies has approximately 203.3 calories per serving, with about 4 g protein, 9 g carbohydrates and 14 g fat.

What ingredients do I need for Oatmeal Sandwich Cookies?

The key ingredients for Oatmeal Sandwich Cookies are Shortening, Brown Sugar, Eggs, Vanilla Extract, All Purpose Flour, Ground Cinnamon. See the full list with measurements above.

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