Oatmeal Sandwich Cookies

User Reviews

5.0

9 reviews
Excellent
  • Prep Time

    15 mins

  • Cook Time

    15 mins

  • Additional Time

    30 mins

  • Servings

    12 cookies

  • Calories

    383 kcal

  • Course

    Dessert, Snacks

  • Cuisine

    American

Oatmeal Sandwich Cookies

The ultimate oatmeal cookie sandwiches! These soft and chewy oatmeal cookies with a marshmallow frosting for filling are the perfect homemade copycat version of the Little Debbie's classic Oatmeal Creme Pie.

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Ingredients

Servings

Soft Oatmeal Cookies

  • ¾ cup unsalted butter
  • 1 tablespoon molasses or dark treacle
  • cup light brown sugar firmly packed
  • ¼ cup granulated sugar or caster sugar
  • 1 large egg ideally at room temperature
  • ½ teaspoon vanilla extract
  • ¾ cup all-purpose flour or plain flour
  • ¼ teaspoon baking soda
  • ¼ teaspoon salt
  • 1 teaspoon ground cinnamon
  • ½ teaspoon ground nutmeg
  • cups rolled oats

Marshmallow Filling

  • ½ cup marshmallow fluff about ⅓ of a jar
  • ½ cup unsalted butter softened at room temperature
  • 2 cups powdered sugar sifted
  • teaspoon vanilla extract
  • 1 tablespoon milk
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Instructions

Instructions for Oatmeal Cookies

  1. Preheat an oven to 350°F (175C/155C Fan) and line baking sheets with parchment paper or silicone baking mats.
  2. Place the butter and molasses in a small saucepan and cook over a medium heat until the butter has melted.
  3. Place the sugars in a large bowl and add the melted butter mixture, whisking together until well combined.
  4. Add the egg and vanilla to the bowl, whisking to incorporate.
  5. Next, add the flour, baking soda, salt and spices. Whisk together until just combined.
  6. Add the oats and mix with a spatula. The dough will look quite wet, but this is to be expected.
  7. Spoon the cookie dough onto prepared baking sheets, either using a spoon or a cookie scoop. These will spread, so separate them well.
  8. Bake in the pre-heated oven for about 8 minutes, until the edges begin to turn golden. Watch carefully to avoid overbaking. Remove from the oven and allow to cool for about 5 minutes on the tray before transferring to a wire rack to cool completely.

Instructions for Marshmallow Fluff Frosting and Assembly

  1. In a large bowl using an electric hand mixer, beat together the softened butter, powdered sugar and marshmallow fluff until a thick cream. Add the vanilla and milk, beating to combine.
  2. Pair up your cookies, so that you have matching pairs of two similar sized cookies. Add the marshmallow buttercream to a piping bag and pipe this onto the base of one of the paired cookies, sandwiching together with the other. Repeat until finished sandwiching all pairs.

Nutrition Information

Show Details
Calories 383kcal (19%) Carbohydrates 49g (16%) Protein 3g (6%) Fat 20g (31%) Saturated Fat 12g (60%) Polyunsaturated Fat 1g Monounsaturated Fat 5g Trans Fat 1g Cholesterol 65mg (22%) Sodium 83mg (3%) Potassium 93mg (3%) Fiber 1g (4%) Sugar 34g (68%) Vitamin A 613IU (12%) Vitamin C 0.01mg (0%) Calcium 26mg (3%) Iron 1mg (6%)

Nutrition Facts

Serving: 12cookies

Amount Per Serving

Calories 383 kcal

% Daily Value*

Calories 383kcal 19%
Carbohydrates 49g 16%
Protein 3g 6%
Fat 20g 31%
Saturated Fat 12g 60%
Polyunsaturated Fat 1g 6%
Monounsaturated Fat 5g 25%
Trans Fat 1g 50%
Cholesterol 65mg 22%
Sodium 83mg 3%
Potassium 93mg 2%
Fiber 1g 4%
Sugar 34g 68%
Vitamin A 613IU 12%
Vitamin C 0.01mg 0%
Calcium 26mg 3%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5.0

9 reviews
Excellent

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