Cookies with cream filling on cooling rack.

Oatmeal Cream Sandwich Cookies

Few desserts hit that sweet spot between nostalgia and pure comfort quite like oatmeal cream pies. Growing up, they were one of those lunchbox treasuresโ€”the kind of treat youโ€™d trade half your sandwich for at the cafeteria table. Soft, chewy oatmeal cookies wrapped around a fluffy vanilla cream fillingโ€ฆ it was simple, sweet, and completely irresistible.

This homemade version is a nod to those iconic Little Debbie classics, but with a little extra love. The cookies themselves are tender and just the right amount of chewy, with that wholesome oatmeal texture. The cream filling is light, sweet, and butteryโ€”perfectly fluffy so every bite feels like a cloud sandwiched between cookies.

What I love most about making these at home is how they instantly transport me back to childhood, but taste even better. Theyโ€™re fresher, softer, and made with ingredients you likely already have in your pantry. They make a fun back-to-school baking project, a treat for sharing, or even just a sweet pick-me-up on a weekday afternoon.

If you loved those classic packaged pies growing up, this recipe is going to feel like the ultimate upgrade.


Ingredients

For the Cookies: (Makes 16 cookies which makes 8 sandwich cookies)

  • ยฝ cup unsalted butter, room temperature
  • 1 cup + 1 tbsp light brown sugar (set aside the 1 tbsp to mix with the corn syrup)
  • 1 tbsp light corn syrup
  • 1 large egg, room temperature
  • 1 tsp vanilla extract
  • 1 ยผ cups all-purpose flour
  • ยฝ cup oats
  • ยพ tsp baking soda
  • ยฝ tsp salt

For the Cream Filling:

  • 4 tbsp unsalted butter, room temperature
  • 2 cups powdered sugar
  • 1โ€“2 tbsp heavy cream
  • 1 tsp vanilla extract
  • Pinch of salt

Instructions

  1. Preheat oven to 325ยฐF and line baking sheets with parchment paper.
  2. In the bowl of a stand mixer fitted with a whisk attachment, beat the butter, brown sugar, and corn syrup until smooth and fluffy (about 2 minutes).
  3. Add the egg and vanilla, mixing until combined.
  4. In a separate bowl, whisk together flour, oats, baking soda, and salt. Add to the wet ingredients and mix until just combined.
  5. Scoop dough onto prepared sheets and bake for 9โ€“11 minutes, until the edges are set but the centers are still soft. Allow cookies to cool completely.
  6. For the filling, beat butter, powdered sugar, heavy cream, vanilla, and salt in a stand mixer with the paddle attachment until fluffy.
  7. Spread about 2 tablespoons of cream between two cookies to make sandwiches.

Enjoy immediately, or store in an airtight container for soft, nostalgic treats all week long.