Oatmeal Sandwich
Cookies Recipe


Old Fashioned Oatmeal Sandwich Cookie Recipe with luscious, creamy filling makes the best oatmeal cookie, ever.


Oatmeal Sandwich Cookies Recipe makes the best old fashioned oatmeal cookies from scratch that I have ever tasted.

Many of us remember eating these delicious cookies growing up.

This particular cookie wasn't terrible sweet back then as it is now, that I remember.

When little girls, my twin sister and I were not allowed to eat a lot of candy, except at Christmastime, when Santa brought huge bags of hard candy, various nuts and oranges.

My sister and I always shared one cookie up until our fifth birthday at which time we were given a whole oatmeal sandwich cookie along with a whole Pepsi Cola.

We were happy little girls!

This precious memory gave me the inspiration to develop this delicious, copycat recipe, as best I remember, to share with you.

I started at the drawing board with my trusty, delicious Old Fashioned Oatmeal Cookie Recipe, tweaking it to get a softer and thicker cookies.

Best Oatmeal Sandwiched Filling with a dreamy, cream filling flavored with vanilla and coconut flavoring. Scrumptious!


I added some cinnamon and other ingredients trying to mimic the taste I remember.

Then, I made them with different types of cut oats, trying to get the look I remember.

After four different formulas I got the taste of the cookie part that I remember.

Then I started creating the filling for this Oatmeal Sandwich Cookies Recipe I did not remember as much about it as I did the cookie part.

I did remember however, that it was thin and white.

This was quite a challenge for me to perfect.

I bought an oatmeal sandwich cookie, by the name of Oatmeal Cream Pie, at the store to taste and check the ingredients list hoping to recall more about the filling.

Didn't help my recollection of the original taste.

So, I resorted to developing a filling similar to what is currently popular in the marketplace of an Oatmeal Sandwich Cookies Recipe, while omitting some of the "too sweet" taste that I didn't like.

My family loved my final results of this Old Fashioned Oatmeal Sandwich Cookies Recipe.

I hope you do too!

Oatmeal Sandwich Cookies
Recipe


Old Fashioned Oatmeal Cookie that brings back memories from your childhood. Filled with yummy, cream filling with a hint of coconut.

  • 1 cup sifted all-purpose flour

  • 1 teaspoon baking soda

  • 1/2 teaspoon salt

  • 1/2 teaspoon ground cinnamon

  • 1/2 cup (1 stick) butter

  • 2/3 cup light brown sugar, firmly packed

  • 1 large egg

  • 1 teaspoon pure vanilla extract

  • 1 1/4 cup quick oats*

  • granulated white sugar, as needed

  • 1 recipe Oatmeal Sandwich Cookies Recipe Filling (see recipe below)

Remove butter and egg from refrigerator and let come to room temperature.

Sift together all-purpose flour, baking soda, salt and cinnamon.

Set aside.

Cream butter on medium speed 20-30 minutes to soften it up.

Add sugar and  beat on medium until creamy and no longer feels grainy.

Takes about 1 minute.

Scrape batter from beaters, sides and bottom of mixing bowl.

Add egg and  vanilla extract.


Cream on medium speed until light and fluffy. About 2 minutes.

Scrape batter from beaters, sides and bottom of mixing bowl.

Add egg and  vanilla extract. Cream on medium speed until light and fluffy. About 2 minutes.

Scrape batter from beater, sides and bottom of bowl again.

Remove beater or beaters, if you have more than one.

With a large spoon stir in 1/4 cup of flour at a time until it is well mixed each time.

You will no longer see any white flour.

Scrap sides and bottom of mixing bowl.

Stir in quick oats 1/4 cup at a time making sure the oats are covered in well with batter.

Scrape bottom and sides of mixing bowl and set aside to allow the moisture to penetrate your oats a little while you preheat your oven.

Line your cookie sheet with parchment paper. Do not grease the paper.

Scoop 3 tablespoons  of dough for each cookie, placing it on the cookie sheet, vertically, 3 inches apart.

When all dough has been place on pan, use your fingers to pat down each cookie making the edges of the cookie the same height as the center.

If your fingers are sticking too much to the dough, dip them in the white granulated sugar (listed above) to help prevent the stickiness.

What you are trying to achieve here by creating a disk shape is to have have a flat surface on top of cookie resulting in edges and center cooking equally. 

Bake cookies in a preheated oven 325F., 8-10 minutes until lightly browned around the edges and looks and feels just barely done in the center.

Remove from oven and immediately slide the cookies along with the parchment paper onto a cooling rack.

The center of cookie will cook a few more seconds after removing from the oven.

Cool cookies completely before peeling off the parchment paper.

Makes 12 single cookies or 6 sandwiched cookies.

* Quick Oats are best for this recipe.

You can substitute Old Fashioned Rolled Oats.

Quick Oats are whole oats cut into smaller pieces and sliced thinner.

When substituting it's best to pulse them in a food processor a few times so the smaller pieces cook thoroughly, resulting in a softer, chewy cookie.


Oatmeal Sandwich Cookies Recipe With Cream Filling

  • 1 cup whole milk

  • 2 tablespoon all-purpose flour

  • 2 cups miniature white marshmallows

  • 2 tablespoons white Karo Syrup (corn syrup)

  • 1 cup butter (2 sticks), divided

  • 1 1/2 teaspoon coconut flavoring

  • 1 teaspoon clear vanilla flavoring**


Place flour in a small saucepan.


Stir enough milk in flour to make a paste.

Then, slowly add milk while stirring until all lumps are gone.

A whisk works well for stirring.

Turn heat to low. Cook while stirring until mixture is  thick as a pudding.

Remove from heat.

Cover while melting the marshmallows.

Cutting marshmallows in half helps them to melt faster.


That is optional.

Add marshmallows, 4 tablespoons of the butter, and Karo Syrup in top of a double boiler on low heat.

When butter has melted and marshmallows start to melt, start stirring to help them melt evenly in the pan.

When they have  melted, stir in the the pudding mixture until well combined.

Cover pan and let cool completely.

Add coconut and vanilla flavoring to butter in a stand mixing bowl.

Cream butter on high speed for a couple of minutes.


Scrape down sides.

Add marshmallow mixture a little at a time, beating well after each addition.

When all is incorporated, beat at a high speed for 8-10 minutes to get the mixture light and fluffy.

It will turn white and taste like marshmallow cream, though not as sweet.

Spread the cooled frosting on one cookie and place another cookie on top.

If you prefer your Oatmeal Sandwich Cookies Recipe filling to look smooth around the edges like a bought cookie, smooth the filling around the sides of the cookies with a small frosting knife or spatula like you would do when frosting a cake.

Cookies can be served immediately or placed in a covered dish a few hours or overnight to further set the filling.

** You may substitute dark, pure Vanilla Extract for the clear Vanilla Flavoring.

However, it may alter the white, bright color of your filling, slightly.


To store cookies wrap them in plastic wrap and store them in an airtight container to keep them soft and moist.

Related Pages


Old Fashioned Oatmeal Cookies

No Bake Cookies Recipe

Return to Cookie Recipes From Scratch

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