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Homemade Oatmeal Creme Pies

4.9 (12 ratings)
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By Ella
Prep Time 20 min
Cook Time 10 min
Calories 395 kcal
Difficulty Easy

Ingredients

Servings

Directions / Instructions

Why You'll Love These Oatmeal Creme Pies

Soft, chewy oatmeal cookies paired with a light, fluffy marshmallow filling create the ultimate nostalgic dessert. These homemade oatmeal creme pies have richer flavour, fresher ingredients, and an irresistibly soft texture that's even better than the store-bought version.

Whether you're baking for kids, holidays, bake sales, or simply satisfying a sweet craving, this recipe delivers bakery-quality sandwich cookies every time.

Ingredients

  • 1 cup unsalted butter, softened
  • 1 cup light brown sugar
  • ½ cup granulated sugar
  • 2 large eggs
  • 1 tablespoon molasses
  • 2 teaspoons vanilla extract
  • 1½ cups all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon ground cinnamon
  • ½ teaspoon salt
  • 3 cups quick oats
  • For the Filling:
  • ½ cup unsalted butter, softened
  • 1½ cups marshmallow creme
  • 2 cups powdered sugar
  • 1 teaspoon vanilla extract
  • 1 to 2 tablespoons heavy cream

Instructions

1. Prepare the Dough

Preheat the oven to 350°F (175°C). Cream together the butter, brown sugar, and granulated sugar until light and fluffy. Beat in the eggs, molasses, and vanilla.

2. Mix Dry Ingredients

Whisk together the flour, baking soda, cinnamon, and salt. Gradually mix into the wet ingredients, then fold in the oats.

3. Bake the Cookies

Scoop tablespoon-sized portions onto parchment-lined baking sheets. Bake for 9 to 11 minutes until the edges are set but the centres remain soft. Cool completely.

4. Prepare the Filling

Beat the butter until creamy. Add marshmallow creme, powdered sugar, vanilla, and enough heavy cream to create a smooth, fluffy filling.

5. Assemble

Spread or pipe a generous amount of filling onto the flat side of one cookie and top with another cookie to create a sandwich.

6. Serve

Allow the filled cookies to rest for about 15 minutes before serving so the filling sets slightly.

Expert Tips

Don't overbake the cookies—they should remain soft for the classic texture. Use quick oats instead of old-fashioned oats for a smoother cookie, and chill the filling briefly if it becomes too soft while assembling.

Storage

Store assembled oatmeal creme pies in an airtight container at room temperature for up to 3 days or refrigerate for up to one week. Freeze individually wrapped cookies for up to 2 months.

Serving Suggestions

Enjoy with a cold glass of milk, coffee, hot chocolate, or vanilla ice cream. They also make a wonderful addition to dessert platters and lunchboxes.

Recipe Variations

Add mini chocolate chips, chopped pecans, maple extract, pumpkin spice, or a pinch of nutmeg to the cookies. Replace the vanilla filling with cinnamon cream cheese frosting for a delicious twist.

Frequently Asked Questions

Yes, but the cookies will have a slightly heartier texture. Quick oats produce a softer, more classic oatmeal creme pie.
Yes. They actually become softer and more flavorful after resting overnight in an airtight container.
Absolutely. Wrap each sandwich cookie individually and freeze for up to two months.
Yes. Replace part of the butter with cream cheese for a tangier filling.
They were likely overbaked. Remove them from the oven when the edges are set but the centres still look soft.
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