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Close-up of chewy oat cookies sandwiched with fluffy marshmallow cream filling

Homemade Oatmeal Cream Pies

Soft and chewy Homemade Oatmeal Cream Pies made with brown sugar, molasses, cinnamon, and quick oats, sandwiched with a smooth butter and cream cheese filling. A nostalgic cookie treat made from scratch with balanced sweetness.
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Course: Dessert
Cuisine: American
Keyword: Homemade Oatmeal Cream Pies
Prep Time: 1 hour
Cook Time: 10 minutes
Chilling Time: 15 minutes
Total Time: 1 hour 30 minutes
Servings: 16 sandwiches

Ingredients

Oatmeal Cookies

  • 1 cup 226 grams unsalted butter softened
  • 1 cup 200 grams packed brown sugar
  • ½ cup 100 grams granulated sugar
  • 1 tablespoon molasses
  • 2 teaspoons vanilla extract
  • 2 large eggs
  • 2 cups 250 grams all-purpose flour
  • ½ teaspoon ground cinnamon
  • 1 teaspoon baking soda
  • ¼ teaspoon salt
  • 3 cups quick oats

Cream Filling

  • ¾ cup 168 grams unsalted butter softened
  • 2 ounces 57 grams full-fat brick-style cream cheese
  • 3 –4 cups 330–440 grams powdered sugar
  • 1 teaspoon vanilla extract
  • ¼ teaspoon salt
  • 1 tablespoon cream if needed

Instructions

Oatmeal Cookies

  • Preheat the oven to 350°F (180°C or 170°C fan forced). Line baking sheets with parchment paper or silicone baking mats.
  • In a large mixing bowl, beat the softened butter, brown sugar, and granulated sugar until light and fluffy.
  • Add the molasses, vanilla extract, and eggs. Beat until fully incorporated and smooth.
  • With the mixer turned off, add the flour, cinnamon, baking soda, and salt. Stir briefly by hand to prevent splattering, then mix on low speed until just combined.
  • Fold in the quick oats until evenly distributed throughout the dough.
  • Shape the dough into balls approximately 1 to 1½ tablespoons each. Place them about 2 inches apart on the prepared baking sheets.
  • Bake one sheet at a time in the center of the oven for 9–11 minutes, or until the tops appear set.
  • Allow the cookies to cool on the baking sheet for at least 10 minutes before transferring to a wire rack to cool completely.

Cream Filling

  • In a large bowl, beat the softened butter until light and fluffy.
  • Cut the cream cheese into small pieces and beat into the butter until smooth and fully combined.
  • Add 1½ cups of powdered sugar along with the vanilla extract and salt. Begin mixing on low speed, then increase to medium until incorporated.
  • Gradually add the remaining powdered sugar, approximately ½ cup at a time, until the desired sweetness and consistency are reached.
  • If necessary, add 1 tablespoon of cream to achieve a smooth, spreadable texture.

Assembly

  • Once the cookies have cooled completely, spread approximately 1 to 1½ tablespoons of cream filling onto the flat side of one cookie.
  • Place a second cookie on top, flat side down, and gently press to form a sandwich.

Notes

To prepare gluten-free Homemade Oatmeal Cream Pies, substitute the all-purpose flour with a 1:1 gluten-free baking flour blend that contains xanthan gum. Additionally, ensure that the quick oats are certified gluten-free, as standard oats may be cross-contaminated during processing.